A+ High Dose Retinoid Serum

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Description

Sunday Riley Modern Skincare A+ High Dose Retinoid Serum A+ High-Dose Retinoid Serum. Advanced-strength retinoid serum delivers a 6.5% solution of stabilized retinoid blends and botanical, retinol-alternative extracts into the skin. How it Works: Combining 5% retinoid ester blend, 1% liposomal-encapsulated retinol blend, and 0.5% blue-green algae with natural, retinoid-alternative activity, this serum fights the signs of aging and improves the look of congested and UV damaged skin. Encapsulat.