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✨ Clear skin, confident you — fast relief with science & nature 🌿
Cos De BAHA's Azelaic Acid 10% Facial Serum combines potent acne-fighting and rosacea-calming ingredients like azelaic acid and niacinamide with a soothing botanical blend. This lightweight 30ml serum delivers visible redness reduction, scar fading, and hydration in a non-sticky formula that lasts up to 10 months, making it a top-rated, dermatologist-loved solution for sensitive and acne-prone skin.





| ASIN | B07QM5KGDK |
| Best Sellers Rank | 7,834 in Beauty ( See Top 100 in Beauty ) 184 in Face Serums |
| Brand | Cos De BAHA |
| Brand Name | Cos De BAHA |
| Customer Reviews | 4.3 out of 5 stars 7,493 Reviews |
| Global Trade Identification Number | 08809240318126 |
| Item Volume | 30 Millilitres |
| Item Weight | 30 Milligrams |
| Item volume | 30 Millilitres |
| Item weight | 30 Milligrams |
| Manufacturer Part Number | AZ30ml |
| Model Number | AZ30ml |
| Skin Tone | All |
| Skin Type | Normal |
| Skin type | Normal |
| Unit Count | 30.0 millilitre |
| Unit count | 30.0 millilitre |
E**R
Immediate difference!
I’ve noticed an immediate difference with my rosacea. Redness has massively reduced in days and my skin feels lovely. Great value for money.
M**E
Keeps my Rosacea at bay and lasts a LONG time!
I have now been using it for 10 months, and I am about to order my 2nd bottle - yes, the 1 bottle lasted 10 months! I only use it on my "rosacea" areas such as nose and chin, and it keeps my rosacea at bay. I can tell whenever I stop or forget, the redness and small spots creep back in to my life slowly, but within 2 days of using this again, I am back to clean fresh skin. I think it's definitely worth the price for that. the 10% seems to be the right dosage for me, I have tried smaller and larger amounts with less success. 4% doesn't touch it, and higher makes my skin sensitive. It's not sticky and I can apply my usual face cream (AZ cream) straight afterwards, very lightweight!
L**B
Nice product
Nice product Easy to apply No scent
A**A
Unexplained red, dry, flaking skin.
I had a red, sore extremely dry patch form out of nowhere on my face and stayed for over a year. Doctors tried many steroid creams, even took a biopsy. Nothing worked and it came back as skin inflammation and then told me theres nothing they can do and just hope it goes on its own. I ended up googling and Azelaic acid was recommended and this works! The patch is not dry or flaking anymore, the reddness is very faint and i now feel like myself again. Been using it for nearly a year now but i saw results within just days. Its smooth, absorbs well, doesnt leave a sticky residue. Its a miracle in a bottle!
B**C
Great product for Rosacea
I wouldn't pay much attention to the negative reviews, they don't understand Rosacea and how it occurs. Firstly this oil does leave residue simply because Azelaic Acid is a powder and after it dries you will need to apply your normal moisturizer. Some reviewers say that their condition gets worse, this is a clear indication it is working because Azelaic Acid kills Demodex mites one of the causes of Rosecea and when they die they decompose to fluid and release toxins causing the redness. The oil absorbs quickly and it may sting after application for a while, this is normal on all skin types and subsides after 30 minutes or so. I use it everyday now after two months of using Azelaic 15% prescription cream which worked really well and now on a lower does of this. Azelaic acid is safe and results are visible within a couple of weeks.
S**N
Rosacea
Had a bad rosacea flare up after a few clear years and this worked really well within a week. Totally calmed it down and faded really well.
P**P
Didn’t do anything
Didn’t do anything wasted money
M**D
Amazing serum - worth every penny
This serum is amazing. In just a week the dry bumpy skin I have had on my cheek for months is virtually gone. See photos - the first one taken on 20/5 and the second today 27/5. I put it on at night after cleansing my face. It’s a thin liquid so best to apply lying down as it runs down your face otherwise. No smell and it doesn’t burn. Worth every penny.
C**1
good
good
A**S
Effectiveness
Cosmetic use.
J**S
Excelente producto
Me encantó, desde que lo uso he notado que mi cara ya no se enrojece, soy de piel delicada y con el sol o con el frío o casi con cualquier cosa ya estoy como tomate, y la verdad me sorprendió, definitivamente lo volveré a comprar
3**3
悩んでた頬の赤みから脱出‼️‼️
頬の赤みと毛穴が気になっていたので購入しました❗️使い始めて2ヶ月目ですが、使う前よりも頬の赤みは引いてて毛穴も目立たなくなってます‼️最高です‼️👍
M**A
really good quality
high recommended
Trustpilot
1 month ago
2 weeks ago