Cos de BAHA deals
Cos de BAHA is a Korean skincare brand known for short, single-focus serums sold in large bottles at low prices. Its two best-known products are the Peptide Serum and the Niacinamide Serum, both built around a high concentration of one active with a simple supporting formula. There are no live deals on this page right now, so both serums are listed at their standard prices.
Prices at every store and price history for Cos de BAHA products.
Cos de BAHA products: prices and price history
Questions and answers
- What is Cos de BAHA known for?
- It is known for minimalist Korean serums with a high percentage of one active ingredient, sold in 30 ml and 60 ml bottles. The Peptide Serum and Niacinamide Serum are its most widely bought products.
- When does Cos de BAHA go on sale?
- Discounts mostly appear during large shopping events such as Black Friday, Prime Day and Korean beauty site sales. Outside those periods, prices stay close to list, so compare across stores before buying.
- Where is Cos de BAHA cheapest?
- Korean beauty retailers and marketplaces that ship from Korea usually list it lowest, and larger 60 ml bottles cost less per milliliter than 30 ml ones. Check the bottle size before comparing prices, since both sizes are sold under the same product name.
- What niacinamide percentage does the Cos de BAHA Niacinamide Serum use?
- The Niacinamide Serum is formulated at 10% niacinamide, a level aimed at oil control and uneven tone. People with sensitive skin often start with a few times a week before using it daily.
- What is the return policy?
- Returns depend on the store you buy from, not on Cos de BAHA itself. Opened skincare is commonly excluded from returns, so confirm the seller's policy before ordering.