Mandelic Serum 5% Ingredients: Aqua (Water), Hamamelis Virginiana (Witch Hazel) Water, Mandelic Acid (L) 5%, Alcohol, Lactic Acid (L) 4%, Butylene Glycol, PPG-3 Benzyl Ether Myristate. Alcohol Denat., Niacinamide, Polyglyceryl-4 Caprate, Sodium Lactate, Xanthan Gum, Sodium PCA, Sodium Hyaluronate (L), Urea, Phenethyl Alcohol, Caprylyl Glycol, Potassium Sorbate Mandelic Serum 8% Ingredients: Aqua (Water), Hamamelis Virginiana (Witch Hazel) Water, Mandelic Acid (L) 8%, Alcohol, Lactic Acid (L) 4%, Butylene Glycol, PPG-3 Benzyl Ether Myristate, Alcohol Denat., Niacinamide, Sodium Lactate, Xanthan Gum, Sodium PCA, Sodium Hyaluronate (L), Urea, Phenethyl Alcohol, Caprylyl Glycol, Potassium Sorbate Mandelic Serum 11% Ingredients: Aqua (Water), Hamamelis Virginiana (Witch Hazel) Water, Mandelic Acid (L) 11%, Lactic Acid (L) 8%, Alcohol, Butylene Glycol, PPG-3 Benzyl Ether Myristate, Alcohol Denat., Niacinamide, Polyglyceryl-4 Caprate, Sodium Lactate, Xanthan Gum, Sodium PCA, Sodium Hyaluronate (L), Urea, Phenethyl Alcohol, Caprylyl Glycol, Potassium Sorbate Mandelic Serum 15% Ingredients: Aqua (Water), Hamamelis Virginiana (Witch Hazel) Water, Mandelic Acid (L) 15%, Lactic Acid (L) 8%, Alcohol, Butylene Glycol, PPG-3 Benzyl Ether Myristate, Alcohol Denat., Niacinamide, Sodium Lactate, Xanthan Gum, Sodium PCA, Sodium Hyaluronate (L), Urea, Phenethyl Alcohol, Caprylyl Glycol, Potassium Sorbate