SPF Scout · Ingredient library
Ingredients starting with M
134 on this page
Macadamia Integrifolia Seed Oil
Skin conditioning (CosIng functional class)No reviewed note yet.
CAS 438545-25-6; 159518-86-2
Macadamia Integrifolia/Tetraphylla Seed Oil
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)An oil pressed from macadamia seeds that conditions and softens skin. It smooths skin feel and helps keep skin in good condition.
CAS 438545-25-6
Macadamia Oil
otherNo reviewed note yet.
Macadamia Ternifolia Seed Oil
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)A macadamia nut oil used as an emollient. It softens and smooths the feel of skin.
CAS 128497-20-1 / 129811-19-4
No reviewed note yet.
No reviewed note yet.
Macrocystis Pyrifera Extract
Skin conditioning (CosIng functional class)No reviewed note yet.
CAS 347174-92-9
Madecassic Acid
Skin conditioning (CosIng functional class)No reviewed note yet.
CAS 18449-41-7
A skin-conditioning ingredient that also acts as an antioxidant. It helps keep skin feeling smooth while the antioxidant action helps protect the formula from oxidation.
CAS 34540-22-2
Magnesium
Abrasive (physically scrubs)Antioxidant (slows the formula oxidising)Reducing agent (chemically reduces other ingredients)Skin conditioning (CosIng functional class)No reviewed note yet.
CAS 7439-95-4
Magnesium Aluminum Silicate
Absorbent (takes up oil or water)Anticaking (keeps powder free-flowing)Opacifier (makes the formula less see-through)Viscosity control (thickens or thins the formula)Magnesium Aluminum Silicate is a mineral powder that soaks up moisture and adjusts the product's thickness. It also keeps powders from clumping and makes the formula look more opaque rather than see-through.
Magnesium Ascorbyl Phosphate
Antioxidant (slows the formula oxidising)Skin conditioning (CosIng functional class)Magnesium Ascorbyl Phosphate is a form of vitamin C that works as an antioxidant and conditions skin. It helps keep the product from spoiling as it meets air, and softens and smooths skin feel.
Magnesium Aspartate
Skin conditioning (CosIng functional class)A skin-conditioning ingredient. It helps keep skin feeling smooth and in good condition.
CAS 2068-80-6 / 18962-61-3
Magnesium Carbonate
Absorbent (takes up oil or water)Binder (holds the formula together)Bulking agent (adds volume)Colorant (adds colour)Opacifier (makes the formula less see-through)A fine mineral powder that soaks up moisture and adds bulk and body to a formula. It also makes products more opaque and helps bind the other ingredients together. On labels its colorant form appears as CI 77713.
CAS 546-93-0; 7757-69-9
Magnesium Chloride is a mineral salt that adjusts the product's thickness and adds flavor. It helps set the texture of the formula.
No general role is recorded for this ingredient in the inventory we hold. That is a gap in our record, not a statement about the ingredient.
Magnesium Myristate
Anticaking (keeps powder free-flowing)Opacifier (makes the formula less see-through)Viscosity control (thickens or thins the formula)A powdery ingredient that keeps formulas from clumping and adjusts their thickness. It also makes the product more opaque, giving it a less see-through look.
CAS 4086-70-8
No reviewed note yet.
Magnesium Stearate
Anticaking (keeps powder free-flowing)Bulking agent (adds volume)Colorant (adds colour)Moisturising (CosIng functional class)Magnesium Stearate keeps powders from clumping and adds bulk to the formula. It also adds color and helps hold in moisture.
Magnesium Sulfate
Bulking agent (adds volume)Magnesium Sulfate is a mineral salt used to add bulk to the formula. It helps fill out the product's body and texture.
Magnolia Officinalis Bark Extract
Preservative (inhibits microbial growth)Skin conditioning (CosIng functional class)No reviewed note yet.
Maleated Soybean Oil Glyceryl/Octyldodecanol Esters
Solubiliser (helps other ingredients dissolve)Surfactant (cleanses or mixes oil and water)No reviewed note yet.
Maleic Acid
Buffering (holds the formula at a set acidity)Maleic Acid is a buffering ingredient. It helps keep the product's acidity level steady over time.
Malic Acid
Buffering (holds the formula at a set acidity)Malic Acid is a buffering agent. It fine-tunes and holds the product's acidity at a steady level.
Malpighia Glabra Fruit
Skin conditioning (CosIng functional class)No reviewed note yet.
CAS 223747-63-5
Malpighia Glabra Fruit Extract
Skin conditioning (CosIng functional class)This is an extract from the acerola fruit, used as a skin conditioner. It helps keep skin feeling soft and smooth. On labels the fruit is often called acerola.
Maltodextrin
Absorbent (takes up oil or water)Binder (holds the formula together)Emulsion stabiliser (keeps oil and water mixed)Film forming (leaves a thin coating)Hair conditioning (CosIng functional class)otherSkin conditioning (CosIng functional class)Maltodextrin is a multitasking carbohydrate. It soaks up excess liquid, holds ingredients together, keeps the oil-and-water mix stable, and forms a thin film while conditioning skin and hair.
CAS 9050-36-6
Adds fragrance to a product. It also acts as a tonic ingredient.
CAS 118-71-8
Maltose
Fragrance ingredient (scent)Moisturising (CosIng functional class)Skin conditioning (CosIng functional class)A sugar that adds fragrance and helps hold in moisture. It also conditions the skin, keeping it feeling soft and smooth.
CAS 69-79-4
Malva Sylvestris Flower
Skin conditioning (CosIng functional class)A flower ingredient used to help condition the skin.
Mandarin Oil
otherNo reviewed note yet.
Manganese Sulfate
Skin conditioning (CosIng functional class)A mineral salt used to condition the skin, helping it feel soft and smooth.
CAS 7785-87-7 / 10124-55-7
No reviewed note yet.
No reviewed note yet.
Mangifera Indica Fruit Extract
Skin conditioning (CosIng functional class)No reviewed note yet.
CAS 90063-86-8
Mangifera Indica Juice
Skin conditioning (CosIng functional class)No reviewed note yet.
Mangifera Indica Seed
Abrasive (physically scrubs)Ground mango seed used as an abrasive. That means it adds grit to help physically scrub or polish the skin.
CAS 90063-86-8
Mangifera Indica Seed Butter
Skin conditioning (CosIng functional class)This is a butter from mango seeds, used as a skin conditioner. It softens and smooths skin feel. You may see it labelled as mango butter.
No general role is recorded for this ingredient in the inventory we hold. That is a gap in our record, not a statement about the ingredient.
Mango
otherNo reviewed note yet.
Mangostin
Skin conditioning (CosIng functional class)Used to condition the skin, helping it feel soft and smooth.
CAS 6147-11-1
Mannan
Film forming (leaves a thin coating)Mannan is a film former. It leaves a thin layer on the surface as the product dries.
CAS 9036-88-8 / 51395-96-1
Mannitol
Binder (holds the formula together)Fragrance ingredient (scent)Humectant (holds moisture)Moisturising (CosIng functional class)Skin conditioning (CosIng functional class)Mannitol is a humectant and moisturiser that draws in and holds moisture. It also helps bind the formula together, conditions skin, and adds fragrance.
Maris Limus Extract
Skin protecting (CosIng functional class)No reviewed note yet.
Maritime Pine
otherNo reviewed note yet.
No general role is recorded for this ingredient in the inventory we hold. That is a gap in our record, not a statement about the ingredient.
Matricaria Chamomilla Flowering Top Oil
Fragrance ingredient (scent)No reviewed note yet.
No general role is recorded for this ingredient in the inventory we hold. That is a gap in our record, not a statement about the ingredient.
Mauritia Flexuosa Fruit Oil
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)This is an oil from the buriti fruit, used as a skin conditioner. It helps keep skin feeling soft and smooth.
Meadowfoam Estolide
Hair conditioning (CosIng functional class)Skin conditioning (CosIng functional class)No reviewed note yet.
CAS 182305-52-8
Melaleuca Alternifolia (Tea Tree) Leaf Oil
Antioxidant (slows the formula oxidising)Fragrance ingredient (scent)Skin conditioning (CosIng functional class)Skin protecting (CosIng functional class)No reviewed note yet.
CAS 8024-02-0
This is the leaf of the tea tree plant, used here as an abrasive and skin conditioner. As an abrasive it adds a scrubbing action, and as a conditioner it helps the skin feel smoother.
Melanin
Skin protecting (CosIng functional class)No reviewed note yet.
CAS 8049-97-6
No reviewed note yet.
Melia Azadirachta Flower Extract
Skin conditioning (CosIng functional class)No reviewed note yet.
Melia Azadirachta Leaf Extract
Skin conditioning (CosIng functional class)No reviewed note yet.
Melissa Officinalis Flower/Leaf/Stem Water
Skin conditioning (CosIng functional class)No reviewed note yet.
Melissa Officinalis Leaf Extract
Skin conditioning (CosIng functional class)No reviewed note yet.
This is an oil from the leaves and tops of lemon balm, used for fragrance and as a tonic. It gives the product a scent and adds a fresh, toning feel.
CAS 84082-61-1 / 8014-71-9
Menadione
Fragrance ingredient (scent)No reviewed note yet.
CAS 58-27-5
Mentha Piperita (Peppermint) Oil
Fragrance ingredient (scent)Refreshing (CosIng functional class)Tonic (CosIng functional class)No reviewed note yet.
CAS 8006-90-4
Mentha Piperita Leaf
Refreshing (CosIng functional class)This is the leaf of the peppermint plant, added as a refreshing ingredient. It gives a cool, fresh sensation on the skin.
CAS 84082-70-2
Mentha Rotundifolia Leaf Extract
Tonic (CosIng functional class)No reviewed note yet.
Mentha Viridis (Spearmint) Leaf Oil
Astringent (CosIng functional class)Fragrance ingredient (scent)Skin conditioning (CosIng functional class)No reviewed note yet.
CAS 8008-79-5
Menthol
Denaturant (makes alcohol undrinkable)Fragrance ingredient (scent)Refreshing (CosIng functional class)Soothing (CosIng functional class)Menthol adds fragrance and a refreshing, cooling sensation. It also acts as a soothing and denaturing agent in the formula.
Menthone Glycerin Acetal
Refreshing (CosIng functional class)Menthone Glycerin Acetal is a refreshing ingredient. It gives a cool, fresh feel on the skin.
CAS 63187-91-7
This is a fragrance and refreshing ingredient. It adds scent and a cool, fresh feel to the product.
CAS 87061-04-9
Menthyl Lactate provides fragrance and a refreshing, cooling feel. It gives the product a cool sensation as you apply it.
Meradimate
UV absorber (protects the formula from light, not a sunscreen filter)UV filter (filters UV rays)Meradimate is an organic (chemical) UV filter. It absorbs ultraviolet light so less of it reaches your skin.
CAS 134-09-8
Methacrylate
otherNo reviewed note yet.
Methicone
Antistatic (reduces static)Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Methicone is a silicone that softens and smooths the skin feel. It also cuts static, and helps the product glide on.
Methyl 2-Octynoate
Fragrance ingredient (scent)No reviewed note yet.
CAS 111-12-6
Methyl Anthranilate
Fragrance ingredient (scent)Methyl Anthranilate is a fragrance ingredient. It gives the product a scent.
CAS 134-20-3
Methyl Benzoate
Emollient (softens and smooths skin)Fragrance ingredient (scent)Preservative (inhibits microbial growth)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)Methyl Benzoate does several jobs: it adds fragrance, acts as a preservative to keep the product from spoiling, softens and smooths skin feel, and works as a solvent to dissolve other ingredients. In short, it scents the product, protects it, and helps blend the mix.
CAS 93-58-3
Methyl Dehydroabietate
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Viscosity control (thickens or thins the formula)An ingredient that softens and smooths skin feel while adjusting how thick the product is. This helps the sunscreen feel conditioned on skin and hold a consistent texture.
CAS 1235-74-1
Methyl Dihydroabietate
Viscosity control (thickens or thins the formula)This ingredient adjusts the thickness of the product. It helps give the formula its body and flow.
CAS 67893-02-1
Methyl Diisopropyl Propionamide
Fragrance ingredient (scent)Methyl Diisopropyl Propionamide is used as a fragrance ingredient. Its job is to add or adjust the product's scent.
Methyl Gluceth-10
Humectant (holds moisture)Moisturising (CosIng functional class)Surfactant (cleanses or mixes oil and water)A moisture-focused ingredient that draws in and holds water while also helping oil and water mix. In practice it keeps the product from drying out and keeps the watery and oily parts blended together.
CAS 68239-42-9
A moisturising ingredient that draws in and holds water. This keeps the product feeling hydrated and helps it stay moist on skin.
CAS 68239-42-9
Methyl Glucose Dioleate
Emollient (softens and smooths skin)Humectant (holds moisture)Skin conditioning (CosIng functional class)An ingredient that draws in and holds moisture while softening and smoothing skin feel. This keeps the product from drying out and leaves skin feeling conditioned.
CAS 82933-91-3
Methyl Glucose Sesquistearate
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Surfactant (cleanses or mixes oil and water)An ingredient that softens and smooths skin feel while helping oil and water mix. In practice it conditions skin and keeps the watery and oily parts of the formula blended.
CAS 68936-95-8
Methyl Hydrogenated Rosinate
Film forming (leaves a thin coating)Fragrance ingredient (scent)Skin conditioning (CosIng functional class)No reviewed note yet.
CAS 8050-15-5
Methyl Lactate
Flavouring (adds taste)Fragrance ingredient (scent)Solvent (dissolves other ingredients)No reviewed note yet.
CAS 27871-49-4
Methyl Methacrylate
otherNo reviewed note yet.
Methyl Methacrylate Crosspolymer
Film forming (leaves a thin coating)No reviewed note yet.
CAS 25777-71-3
Methyl Methacrylate/Glycol Dimethacrylate Crosspolymer
Film forming (leaves a thin coating)This is a film former. It leaves a thin, even layer on the skin as the product dries.
No general role is recorded for this ingredient in the inventory we hold. That is a gap in our record, not a statement about the ingredient.
Methyl Salicylate
Denaturant (makes alcohol undrinkable)Flavouring (adds taste)Fragrance ingredient (scent)Oral care (CosIng functional class)Soothing (CosIng functional class)No reviewed note yet.
CAS 119-36-8
Methyl Trimethicone
Hair conditioning (CosIng functional class)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)Methyl Trimethicone is a lightweight silicone that conditions skin and hair and acts as a solvent to dissolve other ingredients. It helps the product spread and feel smooth.
Methylbenzyl Acetate
Fragrance ingredient (scent)A fragrance ingredient that adds scent to the product. It gives the sunscreen its smell.
CAS 93-92-5 / 29759-11-3
Methylcellulose
Binder (holds the formula together)Emulsion stabiliser (keeps oil and water mixed)Light stabiliser (protects the formula from light)otherViscosity control (thickens or thins the formula)Methylcellulose adjusts the thickness of the product and keeps the mix from separating. It also binds ingredients together and helps stabilize the formula against light.
CAS 9004-67-5
Methylchloroisothiazolinone
Preservative (inhibits microbial growth)Methylchloroisothiazolinone is a preservative. It keeps the product from spoiling by holding back microbes.
CAS 26172-55-4
Methylene Bis-Benzotriazolyl Tetramethylbutylphenol
Light stabiliser (protects the formula from light)UV filter (filters UV rays)This is an organic UV filter that absorbs ultraviolet light. It also helps stabilize the formula against light. On labels it may appear as Bisoctrizole.
CAS 103597-45-1
Methylenedioxyphenyl Methylpropanal
Fragrance ingredient (scent)Skin conditioning (CosIng functional class)No reviewed note yet.
CAS 1205-17-0
Methylheptyl Isostearate
Skin conditioning (CosIng functional class)An ingredient that conditions the skin. It helps the product leave skin feeling looked-after.
CAS 209802-43-7
Methylheptylglycerin
Deodorant (masks or reduces odour)Humectant (holds moisture)Skin conditioning (CosIng functional class)No reviewed note yet.
CAS 182015-50-5
Methylisothiazolinone
Preservative (inhibits microbial growth)This is a preservative. It keeps the product from spoiling as microbes try to grow in it.
CAS 2682-20-4
This is a preservative that also adds fragrance. It keeps the product from spoiling and contributes to its scent. It belongs to the paraben family of preservatives.
CAS 99-76-3
Methylpropanediol
Solvent (dissolves other ingredients)This is a solvent. It dissolves other ingredients so they blend into one liquid mixture.
Mica
Anticaking (keeps powder free-flowing)Bulking agent (adds volume)Colorant (adds colour)Opacifier (makes the formula less see-through)otherMica is a mineral used to add color and to make the product look opaque rather than see-through. It also keeps powders from clumping and adds bulk to the formula.
CAS 12001-26-2
Micrococcus Lysate
Skin conditioning (CosIng functional class)No reviewed note yet.
Microcrystalline Cellulose
Abrasive (physically scrubs)Absorbent (takes up oil or water)Anticaking (keeps powder free-flowing)Bulking agent (adds volume)Emulsion stabiliser (keeps oil and water mixed)Light stabiliser (protects the formula from light)Opacifier (makes the formula less see-through)otherViscosity control (thickens or thins the formula)This is a multipurpose ingredient made from cellulose. It adjusts thickness, absorbs liquid, keeps the oil and water parts from separating, and makes the product look opaque. It also acts as a light stabilizer and a mild scrubbing agent.
CAS 9004-34-6
Microcrystalline Wax
Binder (holds the formula together)Bulking agent (adds volume)Emulsion stabiliser (keeps oil and water mixed)Viscosity control (thickens or thins the formula)This is a fine-crystal wax. It binds ingredients together, adds bulk, thickens the product, and keeps the oil and water parts from separating.
No reviewed note yet.
Mimosa Tenuiflora Bark Extract
Skin protecting (CosIng functional class)Soothing (CosIng functional class)No reviewed note yet.
CAS 93685-96-2
Mineral Oil
Emollient (softens and smooths skin)Fragrance ingredient (scent)Hair conditioning (CosIng functional class)Occlusive (CosIng functional class)Skin conditioning (CosIng functional class)Skin protecting (CosIng functional class)Solvent (dissolves other ingredients)This is an oil that softens and smooths skin feel and forms a layer that slows moisture loss. It also acts as a solvent, conditions hair, and adds scent.
No reviewed note yet.
Momordica Grosvenorii Fruit Extract
Antioxidant (slows the formula oxidising)No reviewed note yet.
Monarda Didyma Leaf Extract
Skin conditioning (CosIng functional class)No reviewed note yet.
No general role is recorded for this ingredient in the inventory we hold. That is a gap in our record, not a statement about the ingredient.
CAS 925-05-3
Monosodium Citrate
Buffering (holds the formula at a set acidity)Monosodium Citrate is a buffering agent, meaning it keeps the product's acid level steady. That helps the formula stay consistent over time.
CAS 18996-35-5
Montmorillonite
Abrasive (physically scrubs)Absorbent (takes up oil or water)Bulking agent (adds volume)Emulsion stabiliser (keeps oil and water mixed)Light stabiliser (protects the formula from light)Viscosity control (thickens or thins the formula)Montmorillonite is a clay-based mineral that does several jobs: it adjusts thickness, absorbs, and keeps the mix from separating. In practice it helps hold the water and oil parts together and controls how the product flows. It can also act as a mild scrubbing particle and a light stabilizer that helps protect the formula from light.
CAS 1318-93-0
Moringa Oleifera Seed Extract
Skin conditioning (CosIng functional class)No reviewed note yet.
Moringa Oleifera Seed Oil
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Moringa Oleifera Seed Oil is an oil that conditions and softens the skin. It smooths the skin feel and leaves it feeling supple.
CAS 93165-54-9
No general role is recorded for this ingredient in the inventory we hold. That is a gap in our record, not a statement about the ingredient.
No general role is recorded for this ingredient in the inventory we hold. That is a gap in our record, not a statement about the ingredient.
No general role is recorded for this ingredient in the inventory we hold. That is a gap in our record, not a statement about the ingredient.
Musa Paradisiaca Fruit Extract
Skin conditioning (CosIng functional class)No reviewed note yet.
Musa Sapientum (Banana) Flower Extract
Skin conditioning (CosIng functional class)No reviewed note yet.
Musa Sapientum (Banana) Leaf Extract
Skin conditioning (CosIng functional class)No reviewed note yet.
Musa Sapientum (Banana) Peel Extract
Skin conditioning (CosIng functional class)No reviewed note yet.
Musa Sapientum Fruit Extract
Skin conditioning (CosIng functional class)No reviewed note yet.
CAS -
Musa Sapientum Pulp Extract
Skin conditioning (CosIng functional class)No reviewed note yet.
CAS -
No reviewed note yet.
Myrica Cerifera Fruit Wax
Emollient (softens and smooths skin)Film forming (leaves a thin coating)Skin conditioning (CosIng functional class)Viscosity control (thickens or thins the formula)Myrica Cerifera Fruit Wax is a wax that softens skin and forms a thin film on the surface. That film smooths skin feel, and the wax also helps adjust how thick the product is. You may see it labelled as bayberry wax.
CAS 84929-34-0 / 8038-77-5
Myristic Acid
Fragrance ingredient (scent)Opacifier (makes the formula less see-through)Surfactant (cleanses or mixes oil and water)This is a fatty acid that works as a cleansing agent, helping lift away oil and dirt. It also makes the product look opaque and adds scent.
No reviewed note yet.
Myristoyl Pentapeptide-17
Skin conditioning (CosIng functional class)A peptide ingredient that conditions the skin. In practice, it helps the product care for skin's surface feel.
Myristyl Alcohol
Emollient (softens and smooths skin)Emulsion stabiliser (keeps oil and water mixed)Foam boosting (increases foam from other ingredients)Skin conditioning (CosIng functional class)Surfactant (cleanses or mixes oil and water)Viscosity control (thickens or thins the formula)A fatty alcohol that works as an emollient, softening and smoothing skin feel, and helps oil and water stay mixed. It also adjusts the product's thickness and can boost foam. In practice, it keeps the formula stable and gives it body.
Myristyl Glucoside
Surfactant (cleanses or mixes oil and water)A cleansing ingredient. In practice, it helps lift away dirt and oil so they rinse off.
Myristyl Lactate is an emollient that conditions and softens the skin. It smooths the skin feel and leaves the surface feeling soft.
CAS 1323-03-1
Myristyl Myristate
Emollient (softens and smooths skin)Opacifier (makes the formula less see-through)Skin conditioning (CosIng functional class)An emollient that softens and smooths skin feel. It also makes the product more opaque, so a clear formula turns creamy or milky in look.
Myristyl Trisiloxane
Binder (holds the formula together)Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)No reviewed note yet.
CAS 286938-65-6
Myroxylon Pereirae (Balsam Peru) Oil
Fragrance ingredient (scent)No reviewed note yet.
CAS 8007-00-9