Ingredient
Capryloyl Glycine + Caprylic Acid
What is Capryloyl Glycine + Caprylic Acid?
Capryloyl glycine is a derivative of glycine, an amino acid, and caprylic acid is a medium-chain fatty acid. Together, they are often used in formulations designed for personal care products like hair and skin care. Caprylic acid is typically derived from coconut or palm oils through extraction and purification processes, while capryloyl glycine is synthesized by combining these components under controlled conditions.
This combination is used for its antimicrobial properties, helping to preserve products by preventing the growth of harmful bacteria and fungi. It is commonly included in hair care products for its potential to reduce scalp irritation and dandruff, though evidence on the efficacy of these effects is variable. There is currently limited scientific research specifically assessing the health effects of capryloyl glycine and caprylic acid together in cosmetic products.
When you see capryloyl glycine and caprylic acid on a label, it indicates a focus on skin conditioning and antimicrobial effects, often in mild and pH-balanced formulations.
Commonly found in: Shampoos, Conditioners, Scalp Treatments, Facial Cleansers
What to watch
- High doses of caprylic acid on its own can cause digestive issues.
Benefits
- May improve scalp condition by reducing dandruff and irritation.
- Acts as an antimicrobial agent, helping preserve product freshness.
Caprylic acid and derivatives like capryloyl glycine are generally recognized as safe (GRAS) for use in cosmetics.
Limited peer-reviewed studies are available, with evidence supporting antimicrobial properties but varied findings on broader benefits.
Typically derived from plant-based sources, suitable for vegans.
Sources: Assessment Report on Caprylic Acid
Scout's take
Coconut-derived amino-acid-based co-emulsifier and preservation booster. EWG 1.
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