Ingredients

The tips and tricks with Dr. Crazy!

Mandelic Acid: The Gentle AHA for Sensitive and Acne-Prone Skin

Mandelic acid is the rare exfoliant that does not punish you for using it. Derived from bitter almonds and named after the German word for almond ("Mandel"), this AHA has...

Mandelic Acid: The Gentle AHA for Sensitive and Acne-Prone Skin

Mandelic acid is the rare exfoliant that does not punish you for using it. Derived from bitter almonds and named after the German word for almond ("Mandel"), this AHA has...

Copper Peptides (GHK-Cu): The Firmness-Restoring Powerhouse

Copper peptides — specifically GHK-Cu, the tripeptide-copper complex isolated by Loren Pickart in the 1970s — are arguably the most over-evidenced "underrated" ingredient in modern skincare. The molecule has 50...

Copper Peptides (GHK-Cu): The Firmness-Restoring Powerhouse

Copper peptides — specifically GHK-Cu, the tripeptide-copper complex isolated by Loren Pickart in the 1970s — are arguably the most over-evidenced "underrated" ingredient in modern skincare. The molecule has 50...

Beta-Glucan: The Hydrator That Outperforms Hyaluronic Acid

Hyaluronic acid built the empire of hydrating skincare, but beta-glucan quietly turned up with a better resume. This humble polysaccharide — extracted from yeast cell walls, oat bran, or medicinal...

Beta-Glucan: The Hydrator That Outperforms Hyaluronic Acid

Hyaluronic acid built the empire of hydrating skincare, but beta-glucan quietly turned up with a better resume. This humble polysaccharide — extracted from yeast cell walls, oat bran, or medicinal...

Polyglutamic Acid: The Next-Generation Hyaluronic Acid

If hyaluronic acid is the established king of skin hydration, polyglutamic acid is the ambitious heir apparent. This fermented amino-acid polymer, originally isolated from the sticky strings of Japanese natto...

Polyglutamic Acid: The Next-Generation Hyaluronic Acid

If hyaluronic acid is the established king of skin hydration, polyglutamic acid is the ambitious heir apparent. This fermented amino-acid polymer, originally isolated from the sticky strings of Japanese natto...

Licorice Root Extract: The Plant-Powered Skin Brightener

Licorice root is the brightening ingredient that has been quietly outperforming hydroquinone in sensitive-skin studies for two decades. Its two star molecules — glabridin and liquiritin — switch off tyrosinase,...

Licorice Root Extract: The Plant-Powered Skin Brightener

Licorice root is the brightening ingredient that has been quietly outperforming hydroquinone in sensitive-skin studies for two decades. Its two star molecules — glabridin and liquiritin — switch off tyrosinase,...

Adenosine: The Pro-Aged Skin Energy Booster

Adenosine is the quiet anti-ageing ingredient that does the heavy lifting in some of the world's most iconic Korean and Japanese serums, and almost nobody outside the formulator world talks...

Adenosine: The Pro-Aged Skin Energy Booster

Adenosine is the quiet anti-ageing ingredient that does the heavy lifting in some of the world's most iconic Korean and Japanese serums, and almost nobody outside the formulator world talks...

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