I can't say enough good things about this product! It has helped my skin to heal from acne marks and it helped my acne go away much much faster. The consistency is like any other serum but the felling on the skin is so light and hydrating! It has such an amazing ingredients alongside the azelaic acid, the formulation is ON POINT! I just can't imagine that someones skin would be irritated by this product. If you are suffering with acne and acne scars this product is a MUST HAVE!  P.S. please give this review a thumbs up 👍 if you like it! ❤

Very good product which helped me fight with acne. Serum is liquid slightly oily consistency, neutral smell. I used azelaic lotion, but that one didn't make any difference. Cos De BAHA Azelaic serum perfectly works with closed comedones! 2 drops is enough to apply on your target area or even on the full face. In order to maintain effect I use 2 times a week. Very important after using acid apply nutrition cream to restore skin barrier, some creams with MLE or barrier function! Please like if you consider it useful 👍

I have a melasma on my face and i read in google that azelaic acid is good for melasma, good thing i found this product and now my melasma becomes lighter although it did not disappear completely...I just try 1 bottle and i want to order again but it is out of stock...i hope they can re stock it.

This azelaic serum never fail me,it's good to a dry skin or combination skin.One of my holy grail skin care,I'm using it morning and night.The combination of azelaic acid,hyaluronic acid and vit.b3 and b5 are perfect😍I can see my skin brighter and smoother. It's one of my best buy skin care products.

I bought this along with the snail mucin and I really like them. I have rosacea so my only concern was that i heard eucalyptus can be irritating for some people but I've been using it and I've had no issues at all. I'm also really happy that it has niacinamide and has no scent.

I had read so much about the benefits of Azelaic Acid especially when you combine it with vitamin C or retinol. So I decided to give it a try. Cos de BAHA was the first Azelaic Acid I have ever used. The results were IMAZING. This serum made a huge difference in the texture and clarity of my skin. I used it in the morning after my vitamin C and in the evening with my retinol. I have never seen my skin so clear and bright. After I finished this bottle I bought azelaic acid from 4 other brands but I still came back to this one. The texture and the price are just IMAZING!!!!!!!!!! It’s my Holy Grail product, and I’ll never go without it!!!!! I have tried almost all the products from this brand and I have LOVED them all. Highly recommend!!!

This is the holy grail. The composition is simple and formulation is effective. It does not irritate my skin at all and has significantly clam down my rosacea skin. The texture is viscous and it feels sticky in the first few minutes upon application but disappears after it sinks in. Most azelaic acid on the market is in lotion/cream form. It's rare to see one oil free. Definitely recommend for oily skin.

Azelaic acid is really being overlooked. I have normal and acne prone skin, especially since the pandemic, I've a lot more acne because of wearing masks. I've tried BHA, AHA, and even tretinoin, but found that azelaic acid works best so far because it is not as drying as the other chemicals. This product works really well so far (1.5 months), I just use one drop in the evening. I feel it brightens my skin and helps to reduce a lot of acne. Highly recommend.

This is just great. Dried out my pimples in matter of couple of weeks. 2-3 drops are enough for my face and neck, and I layer it with a night cream. Important note: Use with sunscreen if used in the morning, it makes the skin sensitive and prone to scars if not used correctly. Overall, great product. Would 100% recommend for acne prone/ scar prone skin. If my review was helpful, please like :)

I have sensitive skin that is prone to breakouts. I will get closed comedones immediately if my skin does not like a product. I cannot use "The Ordinary" products, because something about their formulation always gives me acne. This product is a great alternative and I have not experienced any breakouts. I can use this product daily. I did not experience burning or stinging. I also have combination skin that gets oily but can get dry and flakes in places, and this product did not worsen any dry patches. It is moisturizing without feeling oily. It is also not tacky, dries down quickly, and does not pill under moisturizer or sunscreen. I have only used it for a few weeks, but so far, my pores appear smaller using this product. It takes a few months to see results from azelaic acid, but so far there have been no adverse reactions to this product.