Ingredient
Histidine
What is Histidine?
Histidine is an essential amino acid that is a building block of proteins in the body. It is naturally found in many foods including meat, fish, poultry, nuts, seeds, and whole grains.
In products, histidine is sometimes added to enhance hair and skin care formulations due to its potential to improve moisture retention and barrier function. The health significance of histidine typically relates to its role in protein synthesis and enzymatic functions within the body.
When you see histidine in a hair care product, it may be intended to help in maintaining healthy hair structure and hydration.
Commonly found in: Hair Care Products, Dietary Supplements, Skin Care Products
Benefits
- Plays a role in protein synthesis.
- May help improve moisture retention in hair and skin care products.
Histidine is generally recognized as safe (GRAS) when used as a nutrient or dietary supplement.
Research supports histidine's essential role in protein metabolism and its benefits for hair and skin hydration in cosmetic formulations.
While histidine itself is not animal-derived, its source can vary; synthetic or plant-based versions are generally considered vegan-friendly.
Scout's take
Amino acid; helps protect against UV-induced hair damage. Inert at use levels.
The case against
There are minimal risks associated with histidine in cosmetics.
from the analysis of The Ordinary - The Natural Moisturizing Factors + HA( / )Generally considered safe with low risk of irritation.
from the analysis of Salt & Stone Body Wash - Bergamot & HinokiThe case for
It helps to improve skin texture and supports collagen production.
from the analysis of The Ordinary - The Natural Moisturizing Factors + HA( / )Supports skin hydration and improves texture.
from the analysis of Salt & Stone Body Wash - Bergamot & HinokiMore from Scout's analyses
Histidine is an amino acid that helps to improve skin hydration and elasticity. It is used in formulations to support skin repair and regeneration. It is generally considered safe for use in skincare.
from the analysis of The Ordinary - The Natural Moisturizing Factors + HA( / )Histidine is an amino acid used for its conditioning properties. It helps in maintaining skin hydration.
from the analysis of Salt & Stone Body Wash - Bergamot & HinokiFound in 5 products
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