Major Ingredients: | |
Water, Isopropyl Isostearate, Tranexamic Acid(50,490ppm), Butylene Glycol Dicaprylate/Dicaprate, Glycerin, Sorbitan Stearate, Triethylhexanoin, Cetylethylhexanoate, Pentylene Glycol, Niacinamide, Propylene Glycol, Magnesium Sulfate, Disteardimonium Hectorite, Caprylyl Glycol, Ethylhexylglycerin, Propanediol, Glutathione, Adenosine, Disodium EDTA, Ascorbic Acid, Eriobotrya Japonica Leaf Extract, 1,2-Hexanediol, Mentha Viridis (Spearmint) Extract, Arginine, Allantoin, Dipropylene Glycol
Ingredients subject to change at manufacturer's discretion. For the most complete and up-to-date list of ingredients, please refer to product packaging.
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More Information: | |
Imported from: | South Korea |
Catalog No.: | 1128246778 |
UPC: | 8809875270134 |
Quantity per box: | 100 |
Other Information:
Translation reference for Korean beauty product packaging:
Notes:
- Images are for reference only. Colors on your computer monitor may differ slightly from actual product colors depending on your monitor settings.
Brand: NINELESS
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Benefits: |








Customer Reviews
Reviews provided by YesStyle.com verified buyers.
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gordon ligood for dark spotsApril 2, 2025bought this serum to target my dark spots and uneven skin tone, i can say its done a decent job so far
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naerineunGreat value brightening ingredientsApril 1, 2025I bought the NINELESS - B-Boost 1% Kojic Acid Serum at a very low price, and it seems to be an excellent value offering. Specific kojic acid skincare products are a rarity especially in K-beauty, and the kojic acid in this product is at a sufficient concentration to be effective. On top of that, this product provides a high (10%) concentration of niacinamide (be wary if you are sensitive) and 2% tranexamic acid, making it very comparable to more expensive competitors. On paper, it sounds like a veritable heavy-hitting cocktail of brightening ingredients and I'm excited to see what this can do for my skin.
Additionally, this serum has some panthenol to soothe the skin, as well as a small amount of ascorbyl glucoside, a water-soluble vitamin c derivative (hence it is much more cosmetically elegant and mild/non-irritating). Although I do not think 0.5% of a vitamin C derivative is enough to provide significant brightening effects, it may provide some antioxidant effects. Moreover, I doubt the glutathione is high enough to do much - to be far, at least NINELESS do not market this as a "glutathione serum" like some other K-beauty brands with even lower concentrations (100ppm).
In conclusion, the NINELESS - B-Boost 1% Kojic Acid Serum provides a powerful combination of 10% niacinamide + 2% tranexamic acid + 1% kojic acid, as well as a few other enhancing ingredients. At this low a price, it's certainly worth a try.Affordable tranexamic acid serumApril 1, 2025The NINELESS MELA-PRO 5% Tranexamic Acid Serum is decently priced compared to similar products - I bought it when the price was slightly discounted. Tranexamic acid seems to be increasingly played up by companies as an ingredient; products at percentages such as 2% (despite other ingredients being of a higher percentage) being labelled as "tranexamic acid serums", perhaps due to the lack of higher concentration tranexamic acid serums from mainstream K-beauty brands (though there is a 4%). The NINELESS MELA-PRO 5% Tranexamic Acid Serum offers 5% (specifically, 5.049%...), along with 2% niacinamide. While the marketing materials highlight the glutathione, it is 500ppm, or only 0.05%, which is unlikely to provide much of brightening effect. Overall, this seems like a reasonable ingredients list at a reasonable price, which aligns with NINELESS' branding focus.
I'm excited to see what a dedicated tranexamic acid serum can do for my skin, as someone who has only tried it in concentrations of 2% before with greater concentrations of niacinamide. It's refreshing to see the concentration of tranexamic acid exceeding the concentration of niacinamide for once, specially with its oversaturation as an ingredient in the market due to being a cheap and well-known ingredient that often seems do the heavy-lifting when it comes to brightening, while the bulk of the credit from the company's marketing and customers goes to some other ingredient. -
dazzlingBrightening serumApril 1, 2025The Serum combines effective ingredients aimed at reducing hyperpigmentation and enhancing overall skin brightness. it could be a valuable addition to a skincare routine focused on achieving a more radiant and even complexion.
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skincarewithxiaSuch a good serum!March 25, 2025Hydrating serum that's perfect for dry skin or during the winter or autumn!
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JenniferEL MEJOR SERUMMarch 20, 2025este serum tiene todo lo que necesitaba !!! me queda poco y volvería a comprarlo ! me ayuda mucho con mi manchas en la cara !! DEFINITIVAMENTE volvería a comprar el kit MELA PRO DE NINELESSEL MEJOR SERUMMarch 20, 2025este serum tiene todo lo que necesitaba !!! me queda poco y volvería a comprarlo ! me ayuda mucho con mi manchas en la cara !! DEFINITIVAMENTE volvería a comprar el kit MELA PRO DE NINELESSEL MEJOR SERUMMarch 20, 2025este serum tiene todo lo que necesitaba !!! me queda poco y volvería a comprarlo ! me ayuda mucho con mi manchas en la cara !! DEFINITIVAMENTE volvería a comprar el kit MELA PRO DE NINELESS
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LiliPrecisión y eficaciaMarch 19, 2025este sérum es una excelente opción para quienes buscamos un tratamiento efectivo contra la hiperpigmentación sin comprometer la hidratación y el cuidado de la piel.
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roma ahmedGoodMarch 19, 2025Very nice brightening serum. Smooth on skin soft and cleared acne
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Selene riverabuena texturaMarch 19, 2025hasta ahorita llevo menos de una semana usándolo pero no me ha causado reacción soy de piel algo sensible y mixta , tiene una textura tipo crema pero necesitas poco producto para extenderlo por toda la cara no es muy pesada como se ve y se observe muy bien y deja la piel hidratada sin sensación pegajosa aún voy a usarlo más tiempo hasta que me lo acabe para actualizar dado que menos de una semana es muy poco para ver cómo funciona sobre las manchas y porque mi piel es acneica y quiero ver si me lo alborota más o no
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[Warning: Property for 'anonymousShopper' not found]AMO ESTE SERUMMarch 17, 2025La sensación es hidratante, ligeri y de fácil absorción. le fue muy bien a mi piel grasa
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LaxmiNineless TNXMarch 17, 2025after using only for 5days my skin already looks brighter.Cant wait to see the complete result
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ValeriaI love the texture!March 9, 2025The texture is like a lightweight moisturizer that leaves the skin glowing. It does have a bit of a tacky or sticky feeling, but I personally like that. I think it would work well as a makeup primer. I have not used it long enough to vouch for the dark spot effect, but I am excited.Im really liking itMarch 16, 2025Its been to week and I can definitely tell that it has cleared my complexion. Its too soon for it to be have cleared my hyperpigmentation/meslasma, but I like the results so far. I will definitely keep using it for the price as part of my AM routine. Since it has so many active I am not sure if it is the TXA or the niacinamide that are giving this glow.
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[Warning: Property for 'anonymousShopper' not found]me quito manchasMarch 15, 2025me ha disminuido las manchas en mi cara , lo recomiendo totalmente junto con la línea completa 🌸
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Ximena BonillaIdkMarch 11, 2025apenas llevo usándolo poco tiempo pero puedo decir que traía unos granitos súper inflamados y hasta ahorita las marcas no se ven tanto, siento que es algo que se va a ver más después de meses pero al igual no irritó mi piel sensible, si recomiendo
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MilenaVery good!March 11, 2025I bought this serum because I don’t tolerate a high percentage of niacinamide and i prefer txa instead. It works really well on my post acne scars and I can see improvements on my hyperpigmentation! It feels a little heavy under the makeup so I use it only at night and in the morning my skin feels very soft and plump. Defijitwly recommended!
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Kimberlygreat serumMarch 8, 2025it's a really easy and simple serum to use, helps with overall brightness