Hydrolyzed Soy Protein

HYD

8/10

Concern level

High concern

A hydrolysate of soy proteins used primarily as a skin and hair conditioning ingredient, humectant, and antistatic agent. It forms a mixture of peptides and amino acids that can help improve moisture retention, feel, and manageability in cosmetic formulas.

Pore-clogging

Non-comedogenic

Pregnancy

Safe

Regulatory

No data

Benefits

MoisturizingSoothingSupports Barrier Function

Chemical Properties

pH Range

4.00 - 5.50

Typical Concentration

1.00% - 5.00%

CAS Number: 68607-88-5

Skin Type Compatibility

dry skin8/10

oily skin6/10

sensitive skin7/10

acne prone8/10

mature skin8/10

normal skin8/10

Interactions

incompatible with: Soy-allergic users should avoid or patch test carefully, No well-established major cosmetic ingredient incompatibilities; formulate carefully with highly acidic or highly alkaline systems that may destabilize protein hydrolysates

Risks & Warnings

Main concern is individual soy allergy or protein sensitivity, which can cause contact irritation or rare allergic reactions. As with most protein hydrolysates, very low molecular weight fractions may be more sensitizing in predisposed users. Not a pore-clogging ingredient in typical use.

Vegan Cruelty-Free