Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

The INKEY List Polyhydroxy Acid (PHA) Toner Versus Paula's Choice Skin Perfecting 2% BHA Gel Exfoliant

The INKEY List Polyhydroxy Acid (PHA) Toner Versus Paula's Choice Skin Perfecting 2% BHA Gel Exfoliant Detailed comparison of The INKEY List Polyhydroxy Acid (PHA) Toner versus Paula's Choice Skin Perfecting 2% BHA Gel Exfoliant. This smoothing toner is formul

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The INKEY List Polyhydroxy Acid (PHA) Toner Versus Paula's Choice Skin Perfecting 2% BHA Gel Exfoliant Detailed comparison of The INKEY List Polyhydroxy Acid (PHA) Toner versus Paula's Choice Skin Perfecting 2% BHA Gel Exfoliant. This smoothing toner is formulated around Gluconolactone and Niacinamide to refine skin texture and brighten dull-looking skin. This pore-care exfoliator is formulated around Salicylic Acid and Phytosphingosine to refine the look of pores and refine skin texture. Water Propanediol Gluconolactone 3% Niacinamide 3% Pentylene Glycol Glycerin Aloe Barbadensis Leaf Juice Potassium Sorbate Sodium Benzoate PPG-26-Buteth-26 PEG-40 Hydrogenated Castor Oil 1,2-Hexanediol Caprylyl Glycol Ethylhexylglycerin Citric Acid Sodium Hydroxide Water, Propanediol, Gluconolactone 3%, Niacinamide 3%, Pentylene Glycol, Glycerin, Aloe Barbadensis Leaf Juice, Potassium Sorbate, Sodium Benzoate, PPG-26-Buteth-26, PEG-40 Hydrogenated Castor Oil, 1,2-Hexanediol, Caprylyl Glycol, Ethylhexylglycerin, Citric Acid, Sodium Hydroxide Methylpropanediol Butylene Glycol Polysorbate 20 Salicylic Acid Phytosphingosine Hydroxyethylcellulose Vitis Vinifera Seed Extract Camellia Oleifera Leaf Extract Epilobium Angustifolium Extract Bisabolol Tetrasodium EDTA Water, Methylpropanediol, Butylene Glycol, Polysorbate 20, Salicylic Acid, Phytosphingosine, Hydroxyethylcellulose, Vitis Vinifera Seed Extract, Camellia Oleifera Leaf Extract, Epilobium Angustifolium Extract, Bisabolol, Tetrasodium EDTA, Sodium Hydroxide These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Sodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective. In small amounts, sodium hydroxide is considered safe to use. However, large amounts may cause chemical burns due to its high alkaline. Your skin has a natural pH and acid mantle. This acid mantle helps prevent harmful bacteria from breaking through. The acid mantle also helps keep your skin hydrated. "Alkaline" refers to a high pH level. A low pH level would be considered acidic. Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product. So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation. You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Remember to stay hydrated!