Ingredients

The tips and tricks with Dr. Crazy!

Retinaldehyde: The Retinoid Sweet Spot Between Retinol and Tretinoin

Retinaldehyde is the retinoid sweet spot — about eleven times more potent than retinol, but significantly less irritating than tretinoin. It sits one enzymatic step away from retinoic acid (the...

Retinaldehyde: The Retinoid Sweet Spot Between Retinol and Tretinoin

Retinaldehyde is the retinoid sweet spot — about eleven times more potent than retinol, but significantly less irritating than tretinoin. It sits one enzymatic step away from retinoic acid (the...

Tremella Mushroom: Nature's Hyaluronic Acid Alternative

Tremella fuciformis — silver ear mushroom — is the quietly-amazing hydration ingredient that Traditional Chinese Medicine practitioners have been recommending for skin and longevity for over a thousand years, long...

Tremella Mushroom: Nature's Hyaluronic Acid Alternative

Tremella fuciformis — silver ear mushroom — is the quietly-amazing hydration ingredient that Traditional Chinese Medicine practitioners have been recommending for skin and longevity for over a thousand years, long...

Ferulic Acid: Why It Makes Vitamin C Work 8x Harder

Ferulic acid is the quiet workhorse behind every legendary vitamin C serum on the market. Alone, it is a mild antioxidant that scavenges free radicals. But layered with L-ascorbic acid...

Ferulic Acid: Why It Makes Vitamin C Work 8x Harder

Ferulic acid is the quiet workhorse behind every legendary vitamin C serum on the market. Alone, it is a mild antioxidant that scavenges free radicals. But layered with L-ascorbic acid...

Granactive Retinoid (HPR): The Stable, Gentler Retinol Alternative

Granactive Retinoid is the retinoid that finally solved the irritation problem — a stable, gentle molecule that binds to retinoic acid receptors directly without the two-step conversion that makes retinol...

Granactive Retinoid (HPR): The Stable, Gentler Retinol Alternative

Granactive Retinoid is the retinoid that finally solved the irritation problem — a stable, gentle molecule that binds to retinoic acid receptors directly without the two-step conversion that makes retinol...

CBD in Skincare: What the Research Actually Shows

CBD in skincare is one of the most over-marketed and under-evidenced wellness ingredients of the last decade — and yet there is a small kernel of real biology buried under...

CBD in Skincare: What the Research Actually Shows

CBD in skincare is one of the most over-marketed and under-evidenced wellness ingredients of the last decade — and yet there is a small kernel of real biology buried under...

Sulphur in Skincare: The Old-School Acne Treatment That Still Works

Sulphur is the oldest functional skin treatment in human history — used on acne, eczema, and infections by Sumerian, Egyptian, Greek, and Roman healers — and it still belongs in...

Sulphur in Skincare: The Old-School Acne Treatment That Still Works

Sulphur is the oldest functional skin treatment in human history — used on acne, eczema, and infections by Sumerian, Egyptian, Greek, and Roman healers — and it still belongs in...

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