B-Boost 1% Kojic Acid Facial Serum
The Verdict & Review beautydecoded:
Dry skin: Not very compatible
Oily skin: Very good
Anti-aging effectiveness: Good ✅
Effectiveness on blemishes: Limited ◼️
Effectiveness Hyperpigmentation: Good ✅
Effectiveness on redness: Good ✅
Sensitive skin: Good ✅
Description
AQUA, NIACINAMIDE (Vitamin B3), METHYLPROPANEDIOL, GLYCERIN, PANTHENOL (Pro-vitamin B5), TRANEXAMIC ACID (Tranexamic acid), 1,2-HEXANEDIOL, KOJIC ACID (Acid), Sea Buckthorn Extract (Sea buckthorn), ASCORBYL GLUCOSIDE (Vitamin C derivative), DIPROPYLENE GLYCOL, HYDROXYACETOPHENONE, GLUTATHIONE (Antioxidant), BUTYLENE GLYCOL, CAPRYLYL GLYCOL, CARBOMER, ARGININE (Amino acid), TOCOPHEROL (Vitamin E), GLYCERETH-26, DISODIUM EDTA, BETAINE (Sugar), Amur Phyllodendron Bark Extract (Cork tree of Love), ASTRAGALUS MEMBRANACEUS ROOT EXTRACT (Astragalus), Baical skullcap root extract (Scutellaria baicalensis), Chinese skullcap root extract, BISABOLOL (Active ingredient derived from chamomile), DIPOTASSIUM GLYCYRRHIZATE (Active ingredient derived from licorice), SODIUM HYALURONATE (Hyaluronic acid), ETHYLHEXYLGLYCERIN, HEXAPEPTIDE-9 (Peptide), PALMITOYL PENTAPEPTIDE-4 (Peptide), PALMITOYL TRIPEPTIDE-1 (Peptide), PALMITOYL TETRAPEPTIDE-7 (Peptide), ACETYL HEXAPEPTIDE-8 (Peptide), NONAPEPTIDE-1 (Peptide)My Doctor's Diagnosis: Analysis and Target
Visit B-Boost 1% Kojic Acid Facial Serum of the brand Nineless is primarily intended for individuals concerned with hyperpigmentation, uneven skin tone, dark spots, and dullness. Its formulation also targets signs of skin aging, such as fine lines, while being suitable for skin prone to dehydration or sensitivity. My expert opinion is that the synergy of the active ingredients chosen by Nineless positions this serum as a versatile solution that is both brightening, soothing, and anti-aging.
Formula Analysis: Key Assets
Three major active ingredients stand out in this formula:
- Kojic acid (1%) : known for its inhibitory effect on tyrosinase, it limits melanin production, thereby reducing pigmentation spots and evening out the complexion.
- Niacinamide (Vitamin B3) : this multifunctional ingredient improves the skin barrier, regulates sebum production, reduces redness, and enhances the skin's radiance.
- Peptides (Hexapeptide-9, Palmitoyl Pentapeptide-4, etc.) : they stimulate collagen synthesis, promote skin repair, and contribute to firmness and wrinkle reduction.
The presence of tranexamic acid, glutathione, and vitamin C derivatives enhances the antioxidant and depigmenting action, justifying the quality and effectiveness of the product.
Tips and Application Ritual
I recommend applying this serum in the evening, on clean, dry skin, before your moisturizer. It can be combined with moisturizing active ingredients (hyaluronic acid, panthenol), but it is best to avoid combining it with powerful exfoliating acids (AHA/BHA) or retinol to limit the risk of irritation. Daily sun protection is essential during the treatment.
My Final Verdict & Safety Opinion
This serum stands out thanks to its complementary active ingredients and its comprehensive action on radiance, dark spots, and firmness. Its light texture and lack of strong fragrance make it suitable for sensitive skin. The only possible downside is a slight tingling sensation on very reactive skin. In conclusion, it is an excellent choice for targeting hyperpigmentation and revitalizing the complexion safely.
Informations complémentaires
| Assets | |
|---|---|
| Product type |






Written review of the BeautyDecoded application -
All right!
Very satisfied with this serum. After using it for a few weeks, I've noticed that some of my post-acne spots have diminished. I'm going to continue. Odorless products, no sensorial experience. Few products are enough