Only use when acclimatised to Vitamin A (Skin EssentiA 5 or Youth EssentiA 4+) Only move to Serum 2 following 2 bottles of Serum 1.
Only use when acclimatised to Vitamin A (Skin EssentiA 5 or Youth EssentiA 4+) Only move to Serum 2 following 2 bottles of Serum 1.