"COSRX - Exfoliator BHA Blackhead Power Liquid" is effective for: Exfoliation
This product could be helpful for: Anti-blemish, but its actives are not the most effective or are not well-studied.
Ingredient callouts
A good concentration of Niacinamide (2.70% - 4.00%). Niacinamide is a well-studied multi-tasking active. It is stable, and can work well in almost any hydrating formulation. There is solid evidence that Niacinamide can help support skin barrier, regulate oil production and reduce acne and clogged pores. It also helps to fight photodamage and improve the skin tone, reducing pigmentation marks.
Panthenol (pro-vitamin B5) at about 0.35% - 0.85% concentration. In this concentration, Panthenol works effectively to improve the skin barrier and reduce inflammation.
Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture.
The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production
Exfoliation
What does the product description say?
This product can help exfoliate the skin. In other words, it helps break down the bonds between dead cells on the surface of the skin and speed up the skin turnover.
Skin often appears softer and brighter after exfoliation, but overdoing it can result in disrupted skin barrier.
The following ingredient is doing the exfoliating job in this product: betaine salicylate.
Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture.
The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production
Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin