Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

The INKEY List Alpha Arbutin Serum Versus Garden of Wisdom Alpha Arbutin 2% and Kojic Acid 1% Serum

The INKEY List Alpha Arbutin Serum Versus Garden of Wisdom Alpha Arbutin 2% and Kojic Acid 1% Serum Detailed comparison of The INKEY List Alpha Arbutin Serum versus Garden of Wisdom Alpha Arbutin 2% and Kojic Acid 1% Serum. This brightening serum is formulated

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The INKEY List Alpha Arbutin Serum Versus Garden of Wisdom Alpha Arbutin 2% and Kojic Acid 1% Serum Detailed comparison of The INKEY List Alpha Arbutin Serum versus Garden of Wisdom Alpha Arbutin 2% and Kojic Acid 1% Serum. This brightening serum is formulated around Alpha-Arbutin to fade the look of dark spots and brighten dull-looking skin. This brightening serum is formulated around Alpha-Arbutin and Ascorbyl Palmitate to fade the look of dark spots and brighten dull-looking skin. Water Butylene Glycol Propanediol Glycerin Alpha-Arbutin Dicaprylyl Carbonate Caprylic/Capric Triglyceride Phenoxyethanol Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Caprylyl Glycol Squalane Phospholipids Glycine Soja Oil Carbomer Polysorbate 60 Sodium Phytate Glycolipids Sorbitan Isostearate Leuconostoc/Radish Root Ferment Filtrate Sodium Hydroxide Glycine Soja Sterols Hyaluronic Acid Tocopherol Water, Butylene Glycol, Propanediol, Glycerin, Alpha-Arbutin, Dicaprylyl Carbonate, Caprylic/Capric Triglyceride, Phenoxyethanol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Caprylyl Glycol, Squalane, Phospholipids, Glycine Soja Oil, Carbomer, Polysorbate 60, Sodium Phytate, Glycolipids, Sorbitan Isostearate, Leuconostoc/Radish Root Ferment Filtrate, Sodium Hydroxide, Glycine Soja Sterols, Hyaluronic Acid, Tocopherol Alpha-Arbutin 2% Ascorbyl Palmitate 2% Niacinamide 1.5% Kojic Acid 1% Leucine Water, Alpha-Arbutin 2%, Ascorbyl Palmitate 2%, Niacinamide 1.5%, Kojic Acid 1%, Leucine Be the first to review These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. Alpha-Arbutin is a brightening active used to fade dark spots, melasma, and post-acne marks. Structurally, it is a hydroquinone with a sugar molecule attached (but is much gentler than raw hydroquinone). It has a pretty elegant way of working; it slots into tyrosinase, or the key enzyme that your skin uses to make melanin), and competitively blocks it so your skin produces less pigment over time. There are two forms of arbutin and alpha is the better one to reach for: it works at lower amounts, absorbs into skin more easily, and has a strong safety record. The science backs this up too: lab and animal studies confirm it lowers melanin by blocking tyosinase and the more you use (up to a point), the more it works. Human studies look good too. A 2024 trial found a cream with 5% alpha-arbutin and 2% kojic acid worked about as well as a prescription melasma cream but with fewer side effects. Another study showed 2% alpha-arbutin paired with 10% Trihydroxybenzoic Acid Glucoside and sunscreen faded dark spots and melasma without causing irritation. Concentration-wise, most serums land in the 1-2% range. The EU's Scientific Committee on Consumer Safety concluded that alpha-arbutin is safe in face creams up to 2% and body lotions up to 0.5%. Overall, this is a well-studied and low-irritation brightener that's a great pick for anyone dealing with uneven skin tone. It also pairs well with vitamin C, niacinamide, and sunscreen. 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!