✨ Skin & Hair
16 compounds that help you skin & hair, ranked by strength of human evidence — in plain English, with honest verdicts.
- Vitamin D3 (+ K2) — ★★★★★
- Finasteride / Dutasteride — ★★★★★
- Tretinoin / Retinoids — ★★★★★
- Minoxidil — ★★★★★
- Human Growth Hormone (Somatropin) — ★★★★☆
- Collagen Peptides (+ Vitamin C) — ★★★★☆
- Vitamin C (Ascorbate) — ★★★★☆
- Myo-Inositol (+ D-Chiro) — ★★★★☆
- Glycine — ★★★☆☆
- Nandrolone (Deca-Durabolin) — ★★★☆☆
- Sermorelin — ★★★☆☆
- GHK-Cu (Copper Peptide) — ★★★☆☆
- Astaxanthin — ★★★☆☆
- KPV — ★★☆☆☆
- Melanotan II — ★★☆☆☆
- Niacinamide · Biotin · Azelaic acid (brief) — ☆☆☆☆☆