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Location: Tennessee Registered: 23 July 2009 Posts: 5 | When do I apply my retinol product? My current routine is: AM super cp serum PM 8% pure glycolic acid (cannot use Lacsal or Exfol due to allergic ingredient) Do I apply retinol before or after cp or Hydroxy? Thanks! |
Location: Skin Biology Registered: 15 September 2004 Posts: 7065 | Use the retinol after to copper peptide. They work well together. |
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