Active Ingredients

Cysteamine HCl

Often labeled as: Cysteamine
"The biological Hydroquinone alternative."
๐Ÿฅ Overall Safety: Caution
๐Ÿคฐ Pregnancy: Avoid
๐Ÿ”ฅ Irritation Risk: 3 / 5
๐Ÿ•ณ๏ธ Pore-Clogging: 0 / 5

๐Ÿ”ฌ How It Actually Works

A naturally occurring biological molecule found in human cells. It is a profoundly powerful skin-lightening agent that inhibits tyrosinase and peroxidase without the cytotoxicity of Hydroquinone.

๐Ÿ’– Why Your Skin Loves It

Fades resistant melasma, intense hyperpigmentation, and severe sun damage.

๐Ÿ’ก Pro Tip

Must be applied to unwashed skin (or wait 1 hour after washing) and washed off after 15 minutes to prevent irritation.

๐Ÿงช The Mixology Guide

Skincare is chemistry. Here is how Cysteamine HCl interacts with other active ingredients on your shelf.

โœ… Best Friends (Synergy)
+
Niacinamide
โš ๏ธ Arch Enemies (Conflict)
ร—
L-Ascorbic Acid
ร—
Hydroquinone

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