Vitamins & Antioxidants

Vitamins & Antioxidants: Ascorbic Acid derivatives, Retinoids (Retinol to Tretinoin), Niacinamide, Tocopherol.

Niacinamide benefits vitamin B3 serum clinical skincare

Niacinamide, Tolerated: What Vitamin B3 Can and Cannot Do for Tone Appearance

The Clinical Hook Few cosmetic ingredients have earned as much trust, and as many inflated promises, as niacinamide. It appears in serums, moisturisers, toners and cleansers, recommended for almost everything: uneven tone, visible pores, oiliness, redness appearance, barrier weakness. The niacinamide benefits that are real are genuinely broad, which is exactly why the ingredient needs

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Retinal vs retinol serum clinical skincare

Retinoid Tolerance by Design: Retinol, Retinal, HPR and Bakuchiol in a Barrier-First Protocol

The Clinical Hook Ask ten experienced skincare users why they stopped using a retinoid, and you will rarely hear that it did nothing. You will hear that it did too much, too fast: flaking by week two, stinging when water touched the face, a barrier that felt thinner rather than stronger, and a bottle quietly

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Vitamin C derivatives stabilised skincare texture

Vitamin C, Stabilised: L-Ascorbic Acid, SAP, MAP, VC-IP and 3-O-Ethyl Ascorbic Acid Compared

The Clinical Hook Vitamin C is the ingredient most people buy twice: once with enthusiasm, and once with suspicion. The first bottle promises brightness. The second bottle sits half-used in a bathroom cabinet, its contents turned a shade darker than the day it arrived, and its owner wonders whether the chemistry failed or they did.

Vitamin C, Stabilised: L-Ascorbic Acid, SAP, MAP, VC-IP and 3-O-Ethyl Ascorbic Acid Compared Read More »