Solanum tuberosum (Potato) starch
AKA “Potato Starch”
Ingredient
Ingredient Facts
Solanum tuberosum (Potato) starch
AKA: Potato Starch
Ingredient · Binding · EWG: 1
Plant-Derived Synthetic
Clean
Solanum Tuberosum (Potato) Starch is a cosmetic ingredient used as absorbent, binding, bulking. Rated low hazard by EWG. Assessed as safe by the CIR.
CAS #
9005-25-8
Form
Powder
See origin →
Functions
Absorbent
Binding
Bulking
Viscosity Controlling
Absorbs Excess Oil
Holds Formula Together
Adds Body & Volume
Controls Viscosity
Anti-Aging Benefits
Antioxidant Protection
Reduces Inflammation
Holds ingredients together
Adds volume
Controls product thickness
Traditional Use
Potato starch has been used traditionally in folk remedies and skincare across European and Asian cultures as a soothing and absorbent powder. It was historically used to prevent diaper rash and soothe irritated skin before modern cosmetic chemistry.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
Dermal absorption: 2%. Source: CIR Safety Assessment (CIR Seq 680).
Regulatory Agencies
Biocompatible Potato-Starch Electrolyte-Based Coplanar Gate-Type Artificial Synaptic Transistors on Paper Substrates.
Choi HS, Lee YJ, Park H, Cho WJ
International journal of molecular sciences, 2022
Hydrogenated Potato Starch
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydrolyzed Potato Protein
European Commission
EU Cosmetic Ingredient Database (CosIng)
Ipomoea Batatas (Purple Sweet Potato) Root Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
Potato Starch Modified
European Commission
EU Cosmetic Ingredient Database (CosIng)
Sodium Hydrolyzed Potato Starch Dodecenylsuccinate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Solanum Tuberosum (Potato) Starch
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydrogenated Potato Starch
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Hydrolyzed Potato Protein
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Potato Starch Modified
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Sodium Hydrolyzed Potato Starch Dodecenylsuccinate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Solanum Tuberosum (Potato) Starch
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Bioavailability of potassium from potatoes and potassium gluconate: a randomized dose response trial.
Macdonald-Clarke CJ, Martin BR, McCabe LD, McCabe GP, Lachcik PJ et al.
The American journal of clinical nutrition, 2016
Potato Production, Usage, and Nutrition--A Review.
Zaheer K, Akhtar MH
Critical reviews in food science and nutrition, 2016
Verified Jun 2026
Data: Kew POWO · CosIng · EWG · CIR