Quick answer

Key benefits: Hydration.

Tryptophan

Updated

2-Amino-3-indol-3-ylpropanoic acid

Purpose

Amino acid that offers potential hydration and antioxidant properties for skin.

Rating

GOOD

Category

Antioxidant, Humectant

INCI Purpose

ANTISTATIC, FRAGRANCE, HAIR CONDITIONING

Benefits

Hydration — Attracts and locks in moisture to keep skin plump and dewy

Alternative Names

At a Glance

Article

Tryptophan is an amino acid that offers potential hydration and antioxidant properties for skin.

References

Supercharged Hydration How Hyaluronic Acid Benefits Skin What is Dehydrated Skin & How to Choose the Best Products What Your Moisturizer Must Contain Moisturizer Myths You Should Stop Believing Now The Benefits of Glycerin in Skin Care The Best Face Oils for Skin How Facial Oils Help Skin