The Learn library

Skin & hair science, explained honestly

Plain-language, evidence-based guides from a Vancouver compounding pharmacy. We tell you what the research actually shows, including when the answer is "not much yet."

Skin

Tretinoin explained

Retin-A, retinoic acid, and retinol, what the difference is, whether it helps with aging, and how it compares to Botox.

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Hair loss treatments

Minoxidil, finasteride, dutasteride, spironolactone, caffeine, and peptides, how each works and what the evidence shows.

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Do peptides work?

The honest evidence on peptides, including copper peptides (GHK-Cu), for skin and hair. No hype.

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