SPF Scout · Ingredient library
Ingredients starting with I
55 on this page
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 337376-15-5
No reviewed note yet.
CAS 84650-59-9
Imidazolidinyl Urea
Preservative (inhibits microbial growth)A preservative. It helps keep the product from spoiling as it sits on the shelf and in use.
CAS 39236-46-9
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.
Imperata Cylindrica Root Extract
Skin conditioning (CosIng functional class)No reviewed note yet.
Indigofera Tinctoria Leaf
Hair dyeing (colours hair)Dried, crushed leaves of the indigo plant, used as a hair dye. It adds color to hair.
CAS 84775-63-3
Indigofera Tinctoria Leaf Extract
Skin conditioning (CosIng functional class)No reviewed note yet.
CAS 84775-63-3
Inositol
Antistatic (reduces static)Hair conditioning (CosIng functional class)Humectant (holds moisture)A multitasker that conditions hair and works as a humectant, meaning it draws in and holds moisture. It also acts as an antistatic, cutting down the static that makes hair fly away, and helps keep hair feeling soft.
CAS 87-89-8
Inula Britannica Flower Extract
Skin conditioning (CosIng functional class)No reviewed note yet.
A skin-conditioning ingredient. It helps the product leave skin feeling good.
CAS 9005-80-5
Inulin Lauryl Carbamate
Emulsion stabiliser (keeps oil and water mixed)Surfactant (cleanses or mixes oil and water)This ingredient helps oil and water mix and keeps that blend stable so the product doesn't separate. It also acts as a cleansing agent that helps lift away dirt and oil.
Iodopropynyl Butylcarbamate
Preservative (inhibits microbial growth)A preservative that keeps the product from spoiling. It holds off the growth of microbes so the formula stays stable over time.
CAS 55406-53-6
Ipomoea Batatas Root Extract
Skin conditioning (CosIng functional class)No reviewed note yet.
CAS 223749-11-9
Ipomoea Batatas Tuber
Hair conditioning (CosIng functional class)Skin conditioning (CosIng functional class)No reviewed note yet.
Ipomoea Batatas Tuber Extract
Antioxidant (slows the formula oxidising)No reviewed note yet.
CAS 223749-11-9
No reviewed note yet.
CAS 90045-89-9
No reviewed note yet.
CAS 90045-89-9
A colorant that gives the product its shade. On labels it can also appear as CI 77491, CI 77492, or CI 77499.
CAS 1309-37-1
Isoamyl Acetate
Solvent (dissolves other ingredients)A solvent, meaning it dissolves other ingredients and keeps them evenly blended. This helps the formula stay uniform.
CAS 123-92-2
An ester made from isoamyl alcohol and coconut acid, used in formulas as an oil-like component. No official function is listed in the reference data.
An emollient that softens and smooths skin feel. It gives the product a smoother finish on the skin.
Isoamyl P-Methoxycinnamate
Light stabiliser (protects the formula from light)UV absorber (protects the formula from light, not a sunscreen filter)UV filter (filters UV rays)An organic UV filter that absorbs ultraviolet light. It also works as a light stabilizer, helping the formula hold up under sun exposure.
An ingredient used for nail sculpting, helping build and shape a firm surface.
CAS 5888-33-5
Isobutane
Propellant (expels the product from the can)A propellant. In spray or aerosol products it provides the push that pumps the contents out of the can.
Isobutylamido Thiazolyl Resorcinol
Antioxidant (slows the formula oxidising)Bleaching (CosIng functional class)Skin conditioning (CosIng functional class)No reviewed note yet.
CAS 1428450-95-6
Isobutylparaben
Preservative (inhibits microbial growth)An antimicrobial that curbs the growth of microbes in the product. This helps keep the formula from spoiling.
CAS 4247-02-3
Isoceteth-10
Surfactant (cleanses or mixes oil and water)No reviewed note yet.
CAS 69364-63-2
Isoceteth-20
Surfactant (cleanses or mixes oil and water)A surfactant that both cleanses and helps oil and water mix. In practice it lifts away dirt and oil and keeps the water and oil parts of the product blended together.
A skin-conditioning emollient, meaning it softens and smooths the feel of skin. It gives the product a smooth, conditioned finish on skin.
CAS 25339-09-7
Isocetyl Stearoyl Stearate
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Viscosity control (thickens or thins the formula)An oil-like emollient that softens and smooths skin feel. It also adjusts the thickness of the formula, helping it spread and hold together.
CAS 97338-28-8
Isodecyl Neopentanoate
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)A lightweight oily ingredient that softens and smooths skin feel. It gives the product a silky, easy-to-spread texture.
A skin-conditioning ingredient that softens and smooths skin feel. It also has an antistatic role, cutting down static so the product sits more evenly.
CAS 85252-25-1
Isododecane
Emollient (softens and smooths skin)Fragrance ingredient (scent)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)A light fluid that acts as a solvent, keeping other ingredients dissolved and evenly blended. It also softens skin feel and can carry fragrance. It leaves a quick, non-heavy finish as it spreads.
CAS 31807-55-3
Isoeicosane
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)A lightweight oil-like ingredient that softens and smooths skin feel. It also works as a solvent, dissolving other ingredients so they blend into a uniform product.
CAS 93685-79-1
A fragrance and flavouring ingredient. Its job here is to add scent to the product.
CAS 97-54-1
Isohexadecane
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)A light oil-like ingredient that works as a solvent, keeping other ingredients dissolved and mixed. It also softens and smooths skin feel, helping the product glide on.
Isoleucine
Antistatic (reduces static)Hair conditioning (CosIng functional class)Skin conditioning (CosIng functional class)An amino acid used to condition skin and hair. It helps skin feel smooth and reduces static cling in hair.
Isomalt
Humectant (holds moisture)A sugar-based humectant that draws in and holds moisture. This helps keep the product and skin from drying out.
CAS 64519-82-0
Isononyl Isononanoate
Antistatic (reduces static)Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)An oily conditioning ingredient that softens and smooths skin feel. It also helps cut static, giving the product a light, spreadable texture.
Isopentyldiol
Solvent (dissolves other ingredients)A solvent that dissolves other ingredients so they blend into a uniform mix. This helps keep the formula evenly combined.
CAS 50468-22-9 / 2568-33-4
Isophorone Diisocyanate
Film forming (leaves a thin coating)A film former, meaning it leaves a thin, even layer on the skin as the product dries. That layer helps the formula stay put.
CAS 4098-71-9
Isopropyl Alcohol
Antifoaming (stops the formula foaming)Fragrance ingredient (scent)Solvent (dissolves other ingredients)Viscosity control (thickens or thins the formula)A fast-drying solvent that dissolves other ingredients and adjusts the formula's thickness. It also reduces foam during mixing and adds scent. You may see it on labels as isopropanol or IPA.
CAS 67-63-0
Isopropyl Isostearate
Binder (holds the formula together)Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)An oily ingredient that softens and smooths skin feel while helping hold the formula together. It contributes to a smooth, easy-to-apply texture.
Isopropyl Lanolate
Antistatic (reduces static)Binder (holds the formula together)Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Surfactant (cleanses or mixes oil and water)No reviewed note yet.
CAS 63393-93-1
Isopropyl Lauroyl Sarcosinate
Skin conditioning (CosIng functional class)A skin-conditioning ingredient that helps skin feel smooth. It contributes to the product's overall feel on the skin.
Isopropyl Myristate
Binder (holds the formula together)Emollient (softens and smooths skin)Fragrance ingredient (scent)Skin conditioning (CosIng functional class)An emollient oil-like ingredient that softens and smooths skin feel. It also helps bind the formula together and can carry fragrance. It gives products a light, spreadable slip.
Isopropyl Palmitate
Binder (holds the formula together)Emollient (softens and smooths skin)Fragrance ingredient (scent)Skin conditioning (CosIng functional class)An emollient that softens and smooths skin feel while helping hold the formula together. It also can carry fragrance and lends a smooth, spreadable texture.
CAS 142-91-6
Isopropyl Titanium Triisostearate
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Surfactant (cleanses or mixes oil and water)An emollient that softens and smooths skin feel while also helping oil and water mix. This keeps the water and oil parts blended into a stable product.
CAS 61417-49-0
Isopropylphthalimide
Plasticiser (keeps a film flexible)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)A multi-tasking ingredient that works as a solvent, dissolving other ingredients so they blend into a smooth mix. It also acts as a plasticiser to keep films flexible and helps condition the skin, softening its feel.
CAS 304-17-6
Isostearic Acid
Binder (holds the formula together)Emollient (softens and smooths skin)Surfactant (cleanses or mixes oil and water)A multitasker that helps oil and water mix and works as a cleansing agent. It also helps bind the formula's parts together, keeping everything blended.
CAS 2724-58-5
Isostearyl Alcohol
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Viscosity control (thickens or thins the formula)A fatty alcohol that softens and smooths skin feel while conditioning it. It also adjusts the product's thickness, giving it body rather than being runny.
CAS 27458-93-1
Isostearyl Isostearate
Binder (holds the formula together)Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)An emollient that softens and smooths skin feel and conditions the surface. It also helps hold the formula together for a smooth texture.
An emollient that softens and smooths skin feel. It conditions the skin's surface and gives the product a smooth glide.
Isostearyl Neopentanoate
Binder (holds the formula together)Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)No reviewed note yet.
CAS 58958-60-4
Isotridecyl Isononanoate
Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)An emollient that softens and smooths the skin. It gives the product a slip that helps it spread easily.
CAS 59231-37-7