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Active Ingredients

Cysteamine HCl

Often labeled as: Cysteamine

The biological Hydroquinone alternative.

โš ๏ธ
Overall Safety Caution
๐Ÿคฐ
Pregnancy Safety Avoid
๐Ÿ•ณ๏ธ
Comedogenic (0-5) 0 / 5
โšก
Irritancy (0-5) 3 / 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.

โš–๏ธ Myth vs. Fact

The Myth

It is highly toxic.

The Science

It is naturally synthesized in the human body; it just smells strongly of sulfur when applied.