This serum contains retinaldehyde, an advanced form of vitamin A that works significantly faster than standard retinol because it requires only a single conversion step in the skin to become active retinoic acid. This means faster and more effective results: it accelerates cell turnover, stimulates collagen production, reduces wrinkles, smooths uneven texture, and helps improve early signs of pigmentation and post-acne marks. Medik8’s patented stabilization system ensures the retinaldehyde remains active and effective until the very last drop. Calming and hydrating ingredients minimize irritation and make it ideal for sensitive skin and those new to vitamin A treatments. The 3% concentration is the starting level in the Crystal Retinal range, perfect for beginners and sensitive skin.
Ideal for:
- First-time retinoid users
- Sensitive skin
- Early signs of aging
- Dull or uneven skin tone
- Mild pigmentation and post-acne marks
How to use:
Apply in the evening after cleansing. Use a small amount on face and neck, followed by a moisturizer. Start 2–3 times per week, gradually increasing frequency as your skin adapts. Always use SPF in the morning.











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