Serums & Treatments

The concentrated half of your routine: what each treatment does, how strong to go, and how to introduce it without irritation.

Guides in this category

Serums & Treatments

Retinol vs. Peptides for Fine Lines

Two ingredients, two very different jobs. How retinoids and peptides compare on evidence, tolerability and results — and why you may not have to choose.

Beginner's Guide to Retinol After 40

How to start a retinoid without wrecking your barrier — strength, frequency, buffering, and what to expect in the first twelve weeks.

Picks for this concern

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TruSkin

Vitamin C Super Serum

A five-in-one serum pairing stable vitamin C with retinol, niacinamide, hyaluronic acid and squalane for tone, texture and fine lines.

Best for: Serums & Treatments
Key ingredients: Sodium ascorbyl phosphate · Retinol · Niacinamide · Hyaluronic acid · Squalane

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Sample listing — add your brand

Vitamin C Brightening Serum

A daytime antioxidant serum used to even out tone and support the skin against environmental stress. Strengths and forms vary widely — sensitive skin usually does better with a gentler derivative.

Best for: Serums & Treatments
Key ingredients: Vitamin C · Vitamin E · Ferulic acid

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