Cos De BAHA A-Arbutin 5% Licorice Serum (AL) 30ml30ml

Key Ingredients

• Alpha-Arbutin: listed as the third ingredient on the full INCI panel (right after Water and Butylene Glycol), which is consistent with -- though not itself formal proof of -- the labeled 5% concentration. Alpha-Arbutin is a widely-used brightening ingredient that works by inhibiting tyrosinase activity, helping to even skin tone over time
• Dipotassium Glycyrrhizate and Glycyrrhiza Glabra (Licorice) Root Extract: two licorice-derived ingredients included for their soothing and brightening-supportive reputation; exact concentrations are not disclosed
• Centella Asiatica Extract, Madecassoside, Asiaticoside, Asiatic Acid, Madecassic Acid: a cluster of Centella-derived actives included for their calming and skin-barrier-supportive reputation
• Sodium Hyaluronate, Panthenol, Allantoin: included for hydration and skin-conditioning support
• Full confirmed INCI list: Water, Butylene Glycol, Alpha-Arbutin, Glycerin, Isononyl Isononanoate, 1,2-Hexanediol, Aloe Barbadensis Leaf Extract, Panthenol, Allantoin, Dipotassium Glycyrrhizate, Sodium Hyaluronate, Centella Asiatica Extract, Camellia Sinensis Leaf Extract, Sambucus Nigra Flower Extract, Momordica Charantia Fruit Extract, Leontopodium Alpinum Flower/Leaf Extract, Glycyrrhiza Glabra Root Extract, Madecassoside, Asiaticoside, Madecassic Acid, Asiatic Acid, Ceramide NP, Bisabolol, Cetearyl Olivate, Sorbitan Olivate, Cetearyl Alcohol, Caprylic/Capric Triglyceride, Caprylyl Glycol, Tropolone, Dimethicone, Carbomer, Tromethamine

Key Features

• Manufactured under the Cos De BAHA brand, a Korean skincare line founded in 2019
• Formulated by an unnamed contract manufacturer described in brand materials as a South Korean skincare specialist with over 30 years of manufacturing experience; MedEasy could not independently confirm the specific manufacturing facility
• Combines a brightening active (Alpha-Arbutin) with a soothing, barrier-supportive base (Centella Asiatica derivatives, Aloe, Panthenol)

Benefits

• Alpha-Arbutin supports a more even skin tone over consistent use by helping to inhibit excess melanin production
• Licorice-derived ingredients contribute additional soothing and brightening-supportive properties
• Centella Asiatica derivatives (Madecassoside, Asiaticoside) support skin calming and barrier comfort, which can help offset any irritation from active ingredients
• Sodium Hyaluronate and Panthenol help maintain hydration alongside the brightening actives

Who Can Use This Product

• Adults looking to address uneven skin tone or dark spots as part of a regular skincare routine
• Those with sensitive or reactive skin may appreciate the inclusion of Centella and Aloe-derived soothing ingredients, though a patch test is still recommended
• As with any brightening-active serum, daytime sunscreen use is recommended to protect treated skin and support results
• Not intended to replace medical treatment for diagnosed pigmentation disorders; consult a dermatologist for persistent or severe hyperpigmentation

How to Use

• Apply to clean, dry skin after cleansing and toning, before heavier creams or oils
• Use a few drops and gently pat or massage into the face and neck
• Can be used once or twice daily; introduce gradually (e.g., every other day) if new to active-ingredient serums
• Follow with a moisturizer and, in the daytime, a broad-spectrum sunscreen

Storage & Safety

• Store in a cool, dry place away from direct sunlight
• Keep out of reach of children
• Perform a patch test before first full-face use
• Discontinue use and consult a doctor or dermatologist if irritation, redness, or an allergic reaction develops
• Daytime sunscreen use is recommended while using brightening-active products

FAQ (Frequently Asked Questions)

Q: Does this serum really contain 5% Alpha-Arbutin?

A: The full INCI panel lists Alpha-Arbutin as the third ingredient, right after Water and Butylene Glycol, which is consistent with a concentration in that range, though MedEasy could not find independent lab verification of the exact percentage.

Q: What does the "(AL)" in the product name refer to?

A: This appears to be a product-line or formula code used by the brand; MedEasy did not find an official explanation of this abbreviation from Cos De BAHA.

Q: Is this suitable for sensitive skin?

A: The formula includes several soothing ingredients (Centella Asiatica derivatives, Aloe, Panthenol, Allantoin), but a patch test is still recommended before regular use, as with any active-ingredient serum.

Q: Do I need sunscreen while using this product?

A: Yes, daytime sunscreen use is recommended alongside any brightening-active product to protect treated skin and support visible results.

Q: Where is this product manufactured?

A: Brand materials describe manufacturing by a South Korean skincare specialist with over 30 years of experience, though MedEasy could not independently confirm the specific facility.