Ingredient
Hydrolyzed Rice / Vegetable / Keratin Proteins
What is Hydrolyzed Rice / Vegetable / Keratin Proteins?
Hydrolyzed proteins are proteins that have been broken down into smaller peptides or amino acids through a process called hydrolysis. This process involves using enzymes or acids to split the peptide bonds that hold the proteins together.
They are commonly used in hair and skin care products for their conditioning and strengthening properties. Hydrolysis makes the proteins small enough to penetrate deeper layers of the hair or skin, potentially enhancing moisture retention and overall health. Scientific studies suggest limited evidence supporting these benefits, but they are generally well-regarded for their cosmetic effects.
When you see hydrolyzed proteins on a label, it indicates an ingredient that has been processed to potentially provide better absorption and efficacy, particularly in personal care products.
Commonly found in: Shampoos, Conditioners, Hair Treatments, Skincare Creams, Facial Masks
Benefits
- May improve hair strength and moisture retention.
- Widely used in cosmetic products for their conditioning properties.
The FDA does not specifically regulate hydrolyzed proteins but considers them generally safe when used appropriately in cosmetics.
Research on hydrolyzed proteins indicates potential benefits for hair and skin, but more rigorous studies are needed to fully understand their efficacy.
Hydrolyzed vegetable and rice proteins are typically vegan, whereas keratin may not be as it can be derived from animal sources.
Sources: Cosmetic Ingredient Review: Safety Assessment of Hydrolyzed Proteins
Scout's take
Three protein hydrolysates; provide cuticle-binding amino acids that demonstrably penetrate the hair shaft and reduce protein loss during washing.
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