Cysteamine

BrighteningAntioxidantNatural

Also known as: Cysteamine HCl, Cysteamine Hydrochloride

A naturally occurring aminothiol with potent depigmenting activity. Works through multiple mechanisms to reduce melanin production.

Benefits

Potent depigmentation, multiple mechanisms of action, antioxidant, treats melasma and post-inflammatory hyperpigmentation.

How to Use

Apply at night. Typical protocol: apply, wait 15 minutes, then rinse off. Follow with moisturizer.

Technical Details

Typical Concentrations5%

Research Summary

Randomized controlled trials show non-inferiority to hydroquinone 4% for melasma with better safety profile. Works via chelating copper and scavenging free radicals.

Cautions

Has an unpleasant sulfur-like odor. Can cause temporary redness and irritation. Rinse-off protocol reduces side effects.

Find Cysteamine products

Browse skincare products containing Cysteamine.

Find Products