Instagram video transcript

Vitamin C. S-tier, a well-studied antioxidant, helps with photo protection, collagen synthesis, hyperpigmentation and the evidence is strongest when paired with SPF. Hyaluronic acid. B-tier, an excellent hydrator and has plumping effects and may temporarily improve the appearance of fine lines but will not significantly change the ageing biology. Niacinamide. A tier. Good evidence for barrier repair. Has anti-inflammatory properties,

helps with sebum control and a mild pigment corrector. Retinoids. S tier. It's gold standard topical for anti-aging, treating fine lines, collagen stimulation and pigmentation. Cleanses. C tier. It's essential for me, but it doesn't directly affect the aging pathways. It's great and essential for skin health and barrier health. SPF. S-tier. I can't live without it.

If I was stuck on an island, it would be the only thing I would take. It has the highest evidence to prevent photo damage for texture, wrinkles, pigmentation, collagen breakdown, and some skin cancers. Azelaic acid. A-tier. It has good clinical evidence for pigmentation, rosacea, and acne. It has some anti-inflammatory and pigment-correcting properties.