PHENYLALANINE
Ingredient type: HUMECTANT/WATER-SOLUBLE
Amino acid
✨ Role: Phenylalanine is an essential amino acid that plays a role in maintaining healthy skin. It is often used for its soothing and restorative properties, and can help improve skin elasticity and even out skin tone. It also contributes to the synthesis of proteins such as collagen.
Ingredient type: Water-soluble
⚕️ Safety: Yes, phenylalanine is generally considered safe for topical use in skin care products.
✨ Vegan: Yes, phenylalanine is plant-based when synthesized for cosmetic use.
✨ Important: Always perform a skin test before use to detect any sensitivity or allergic reaction. Although it is well tolerated, people with a condition called phenylketonuria (PKU) should avoid excessive phenylalanine supplementation.
Found in: It is frequently found in moisturizers, anti-aging serums, skin lightening products, and certain targeted treatments for pigmentation imperfections.
Comedogenic rating:
