Retinol 1,5% (Vitamin A) Serum with Niacinamide & Hyaluronic Acid - Directions for Use
Am and/ or PM. Patch test before use.
If it's your first time using Retinol, limit to 3x per week. Gradually increase the frequency of application if no irritation occurs. Stop using altogether if irritation occurs. Expect purging.
If it's your first time using Retinol, limit to 3x per week. Gradually increase the frequency of application if no irritation occurs. Stop using altogether if irritation occurs. Expect purging.
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