CosRX CosRX The Alpha-Arbutin 2 Discoloration Care Serum 50ml £18.54 – £26.95 Where to buy Compare prices from 2 retailers Prices sorted cheapest first — total includes delivery where shown. Retailer Item Delivery Total Amazon £18.54 — £18.54 Lowest Let's Go Boots.com £23.00 £3.95 £26.95 Let's Go Code copied Paste it at checkout. Exclusions may apply. Visit retailer Cancel About this product Cosrx The Alpha-Arbutin 2 Discoloration Care Serum, 50ml Browse related categories Best foundation Best concealer Best blusher Back to all face serum