SKU: 75859308836

B-Boost 1% Kojic Acid Serum

Sale price$177.75 Regular price$197.50
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Description

B-Boost 1% Kojic Acid SerumWHY WE LOVE IT This new serum is a brightening powerhouse, formulated specifically to target dark marks, hyperpigmentation, and dull skin. Featuring 1% Kojic Acid, the gold standard in brightening ingredients which works to inhibit excess melanin production, 10% Niacinamide to further brighten and balance the skin barrier, and 2% Tranexamic Acid to round out the brightening ingredients, this serum targets hyperpigmentation and dull skin from every

WHY WE LOVE IT

This new serum is a brightening powerhouse, formulated specifically to target dark marks, hyperpigmentation, and dull skin. 

Featuring 1% Kojic Acid, the gold standard in brightening ingredients which works to inhibit excess melanin production, 10% Niacinamide to further brighten and balance the skin barrier, and 2% Tranexamic Acid to round out the brightening ingredients, this serum targets hyperpigmentation and dull skin from every angle. 

Even better, hydrating and barrier-strenghtening ingredients Glycerin, Panthenol, and Hyaluronic Acid ensure the serum doesn't leave skin dry or stressed; and a Peptide complex to help keep skin youthful. 

30ml

What it does: Brightens, addresses dull skin, dark marks, and hyperpigmentation while also hydrating

Who it's for: suitable for all skin types struggling with dark marks, dullness, or hyperpigmentation

Cruelty-free and fragrance-free.

HOW TO USE

Apply a few drops to skin after cleansing and after massaging in, follow with the rest of your skincare routine. Use once a day morning or evening. Be sure to wear SPF everyday as the final step in your morning routine. 

INGREDIENTS

Water, Niacinamide, Methylpropanediol, Glycerin, Panthenol, Tranexamic Acid, 1,2-Hexanediol, kojic acid (10,000ppm), Hippophae Rhamnoides Extract, Ascorbyl Glucoside,Dipropylene Glycol, Hydroxyacetophenone, Glutathione, Butylene Glycol, Caprylyl Glycol, Carbomer, Arginine, Tocopherol, Glycereth-26, Disodium EDTA, Betaine, Phellodendron Amurense Bark Extract, Astragalus Membranaceus Root Extract, Scutellaria Baicalensis Root Extract, Coptis Chinensis Root Extract, (-)-alpha-bisabolol, Dipotassium Glycyrrhizate, Sodium Hyaluronate, Ethylhexylglycerin, Hexapeptide-9, Palmitoyl Pentapeptide-4, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Acetyl Hexapeptide-8, Nonapeptide-1

Shipping Notes
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Exchange/Return Notes
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SKU: 75859308836

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4.3 ★★★★★
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Gracie Galvan
Pawtucket, US
★★★★★ 5
Hydrating and Powerful Barrier Repair Serum!💧
This serum has been life-changing in calming and restoring my skin barrier. It absorbs quickly, feels lightweight, and instantly soothes irritation without feeling greasy. I’ve noticed my skin looks healthier and more balanced after just a few uses. It’s gentle enough for sensitive skin and works especially well when my skin barrier feels compromised. It is also fragrance-free, which I always appreciate! Trust me, it’s well worth the money!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 28, 2025
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Verified Purchase
Oc
Phoenix, US
★★★★★ 5
Works as created.
Have been using for a few weeks and have noticed 15% improvement in skin and issues. I did notice a difference in the first 24 hours as advertised. It is suggested need a full month I think to see the true results. At 50 I have pre menopausal skin issues- the redness & inflammation, acne, tightness and sensitivity. It is helping in addition to the other Avene skin products that come in the trial box for sensitive or SOS skin box trial size I think ot is called. This has made a difference. It is easy to apply. I use morning and night. It is different from the Cicalfate + Cream. I use that also as needed. I am happy and recommend it. The price is higher than what I spend. But I wanted to try it to see of i need more than just what was in the Avene sensitive skin trial size box they have. My skin is really red and irritated so the $40 for the bottle is was willing to try because it's painful on my face.
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Reviewed in the United States on April 23, 2026
T
Verified Purchase
Taylor Ashley
Dallas, US
★★★★★ 4
Okay serum, not as good as the cream though
I am obsessed with the cream version of this so I thought I’d give this a try. The dropper top allows for easy application. The formula is light and non greasy and absorbs easily. No harsh fragrances. I would use it when I had eczema flares on my face and feel like it didn’t work near as well in helping with skin irritation as the cream does. As of now I don’t use it as part of my regular skin care. Do I think it’s a bad product? No, but it didn’t really work wonders for me. Not sure I would purchase again.
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Reviewed in the United States on May 21, 2026
E
Verified Purchase
Elizabeth from Houston
Battle Creek, US
★★★★★ 5
Helps with redness and softens skin
I have sensitive, mild rosacea skin. Had a facial recently and the aesthetician suggested I get a serum to help with moisturizer as I am almost 40. I’ve tried a lot of serums and either they are sticky and not really hydrating or break my skin out in a rash. This serum is amazing. Helps calm the redness in my cheeks and my skin is moisturized and soft all day. It feels a little sticky at first but it goes away. I apply in this order OSEA sea mineral mist toner to prep the skin, this serum and top off with Chanel La Solution 10 for sensitive skin.
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Reviewed in the United States on December 27, 2025
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Verified Purchase
carolyn
Birmingham, US
★★★★★ 5
Sensitive skin
Such a good product. I use after micro needling when skin is sensitive. Also a great product to use as a barrier serum when starting tretinoin cream.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026

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