Optimal Excellent retinol serum. Follow the directions. The only flaw is the dropper. It's a bit difficult to get a hold of because it's thick, and the nozzle at the end, in my opinion, doesn't helpRead more
Great Bought for my husband who suffers from oily prone skin and acne around the nose area. We’ve been using this for a few days and his skin is already improving very well! No fragrance to it andRead more
Optimal Excellent retinol serum. Follow the directions. The only flaw is the dropper. It's a bit difficult to get a hold of because it's thick, and the nozzle at the end, in my opinion, doesn't helpRead more
Great Bought for my husband who suffers from oily prone skin and acne around the nose area. We’ve been using this for a few days and his skin is already improving very well! No fragrance to it andRead more
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