Skin Lab

City Pollution and Your Skin

The Truth About Peptides, Probiotics and Retinol: What Actually Works? Peptides, probiotics and retinol are three of the most talked-about ingredients in modern skincare. Each promises healthier, younger-looking skin. But do they really work — and is anything genuinely better than retinol? At Santi London, we take a measured approach. Rather than asking which ingredient […]

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Probiotics and Peptides in Skincare

Skincare Science Peptides vs Probiotics vs Retinol: What Actually Works for Your Skin? Peptides, probiotics and retinol are among the most talked-about skincare ingredients today. But do they genuinely improve the skin, and are any of them actually better than retinol? Here is a more grounded look at what each one does — and where

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Hydration Fundamentals

Skin Science • Hydration Hydration Fundamentals: Humectants vs Emollients Understanding how humectants and emollients work is essential to building an effective hydration routine. This post breaks down the science, differences, and how to pick the right ingredients for your skin. By Santi London • Evidence-led skincare guidance At a Glance Humectants — attract water to

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