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Stable Retinal Night Serum Vitamin A. Retinaldehyde is the star of Crystal Retinal; a next-generation form of vitamin A that is proven to deliver results up to 11x faster than retinol. Yes, this is retinAL, faster-acting than retinOL, the classic form of vitamin A.

Medik8 Crystal Retinal 6

$121.00Price
  • Always peak, never plateau. Ladder up your results with 5 available strengths: 1, 3, 6, 10 and 20. Most customers start on Crystal Retinal 3 (for skincare beginners) or 6 (for experienced skincare users), then over time move up to 10.

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