Koji White

Koji White Bright Booster Underarm Serum (1 Bottle)

$19.95

Deliver to 07008

Koji White Bright Booster Underarm Serum (1 fl.oz., 1 Bottle)

A light-weight texture, dry fast, and not sticky formula of Koji White Bright Booster Underarm Serum contains a high concentrate of Niacinamide, Tranexamic Acid and Kojic Acid helps brighten dull skin and correct underarm dark marks.

Deeply nourish & repair rough pores. This fragrance-free formula and prebiotic supports a healthier underarm odor. Leaves the skin feeling soft, smooth and hydrated.

Directions: Apply serum evenly under the arms on clean, dry skin. Gently massage until absorbed.

Key Benefits: Contains a high concentrate of Niacinamide, Tranexamic Acid and Kojic Acid helps brighten dull skin and correct underarm dark marks.
Target: Deeply nourish, Repair rough pores, Clean & Balanced, Uneven skin tone
Effective Ingredients: Kojic Acid, Niacinamide, Tranexamic acid

Not Tested on Animals  No Paraben No SLS Vegan
Visible Results in 4 WeeksMade from Vegetable GlycerinDermatologist-TestedPETA CERTIFIED

The Koji White Difference

"I’ve been using this since November 1st and it’s now February 25th and i still have the 2 soaps and I LOVE THIS, I leave it on for 10-15 min while I brush my teeth then rinse it off & use it with cerave but that’s an alternative."

"I’ve been using this since November 1st and it’s now February 25th and i still have the 2 soaps and I LOVE THIS, I leave it on for 10-15 min while I brush my teeth then rinse it off & use it with cerave but that’s an alternative."

- Marcia
"I would say each to their own on this product. I like it and have no problems like I've seen listed. I did try it on my arm first just in case. It does dry my skin out a little but I think that's to be expected"

"I would say each to their own on this product. I like it and have no problems like I've seen listed. I did try it on my arm first just in case. It does dry my skin out a little but I think that's to be expected"

- Lacie

Product Description

NO MORE HIDING YOUR UNDERARMS: Our underarm serum with kojic acid and tranexamic acid from within and targets mark to help you regain comfort and confidence!

NOURISHES, HYDRATES & PROTECTS: Dryness, friction, and shaving can lead to breakdown and dullness. We use niacinamide to help with hydration and collagen production for firmer, smoother skin.

LIGHTWEIGHT FORMULA: Can't stand creams that take forever to dry and leave your armpit sticky? Our fragrance-free serum dries fast and absorbs quickly, so you stay feeling fresh and clean.

EASY TO APPLY: Apply the skincare serum onto washed, damp skin and massage until fully absorbed. It's perfect for post-shower skin care! For best results, use daily or as directed by a professional.

LOVE YOUR BODY & THE EARTH: Our underarm toner is free of alcohol, phthalates, or parabens that may irritate sensitive skin. We're vegan-friendly, use sustainably sourced packaging, and never test on animals.

Kojic Acid
Helps visibly brighten the underarm area by reducing the look of dark spots and uneven tone.

Niacinamide (Vitamin B3)
Supports skin clarity, smoothness, and helps minimize the appearance of pores and discoloration.

Tranexamic Acid
A powerful brightening ingredient that targets stubborn dark patches and promotes a more even skin tone.

Free From
Fragrance Free, Alcohol Free, Paraben Free, Cruelty-Free, Not Tested on Animals


See Full List of Ingredients
Aqua/Water/Eau, Niacinamide, Butylene Glycol, Glycereth-26, Tranexamic Acid, Phenoxyethanol, Potassium Methoxysalicylate, Carbomer, Alpha-Glucan
Oligosaccharide, Chlorphenesin, Ethoxydiglycol, Tetrasodium EDTA, Glycerin, Sodium Lactate,
Methylpropanediol, Kojic Acid, Lens Esculenta (Lentil) Seed Extract, Enantia Chlorantha Bark Extract, Saccharomyces/Persimmon Fruit Juice Ferment Extract, Ananas Sativus (Pineapple) Fruit Extract, Carica Papaya (Papaya) Fruit Extract, Mangifera Indica (Mango) Fruit Extract, Silanediol Salicylate, Ethylhexylglycerin, Oleanolic Acid

1.Cleanse your underarms: Before applying the serum, make sure your underarms are clean and dry to allow better absorption.

2.Dispense the serum: Squeeze a small amount of serum onto your fingertip.

3.Apply to underarms: Gently apply the serum directly to both underarms, focusing on areas with dark spots or uneven tone.

4.Massage gently: Use your fingers to softly massage the serum into the skin until fully absorbed.

5.Let it absorb: Allow the serum to fully absorb before applying deodorant or getting dressed.

Koji White Better Together:
Before showering, use Koji White Bump & Body Scrub Skin Brightening Soap to brighten and moisturize your skin for a smooth, radiant glow.

Our Promise

Better skin in 30 days or it's FREE

If you are unhappy with any of our products we offer a 30-day money back guarantee.

Our story

"Brighten your skin, Brighten your day"

Most women feel insecure about their appearance. At Koji White, we create products that reduce melanin production to brighten your skin, so you’ll fall in love with yourself every day.

Ingredients

Infused with Plant-Based Ingredients: Aqua / Water / Eau, Glycerin, Alpha-Glucan Oligosaccharide, Kojic Acid, Lens Esculenta (Lentil) Seed Extract, Enantia Chlorantha Bark Extract, Saccharomyces/Persimmon Ferment, Ananas Sativus (Pineapple) Fruit Extract, Carica Papaya (Papaya) Fruit Extract, Mangifera Indica (Mango) Fruit Extract, Oleanolic Acid

Kojic Acid

Helps visibly brighten the underarm area by reducing the look of dark spots and uneven tone.

Lens Esculenta (Lentil) Seed Extract

Helps minimize the appearance of pores and smooth skin texture by supporting sebum regulation and hydration balance.

Enantia Chlorantha Bark Extract

A natural botanical known to help reduce excess oil and improve skin clarity, ideal for sensitive or sweat-prone areas.

Ingredient Blacklist

THESE INGREDIENTS WILL NEVER BE INCLUDED IN ANY GloMelanin PRODUCTS

Acetaldehyde, Acetonitrile, Acetone, Acrylamide & Polyacrylamide, Acrylates, Acrylates, Aluminum Salts, Benzophenones and related compounds, Benzalkonium chloride, Bisphenol A (BPA), Butoxyethanol, Butylated hydroxyanisole (BHA),Coal Tar, Ethanolamines, Ethylene Oxide, Formaldehyde, Formaldehyde Releasing Agents, Hydroquinone, Lead and Lead Acetate, Mercury + Mercury Compounds (Thimerisol)Methoxyethanol or Methyl Cellosolve, Methylene chloride, Methylchloroisothiazolinone and Methylisothiazolinone, Parabens, Phenoxyethanol, Phthalates, Resorcinol, Retinyl Palmitate, Styrene, Sulfates, Talc, Toluene, Triclosan and Triclocarban, Synthetic Fragrance,1,4 Dioxane, Octinoxate, PFAS compounds, Nitromusks and Polycyclic Musks,Cyclic Silicones, EDTA and derivatives, Benzene, Octocrylene, Other heavy metals, Fragrance, Nanomaterials, Butylated hydroxytoluene (BHT), Carbon Black or Black 2 (nanomaterial), Mineral Oil and derivatives

FAQs

What does the Bright Booster Underarm Serum do?

This serum is designed to brighten dark underarms and other sensitive areas using a powerful blend of Kojic Acid, Niacinamide, and Tranexamic Acid. It helps reduce discoloration, smoothen texture, and restore even skin tone.

Is it safe for daily use?

Yes, it is safe for everyday use. The formula is fragrance-free, gentle, and absorbs quickly without leaving residue—ideal for even sensitive skin.

Can I apply it right after shaving or waxing?

No. It is recommended to wait 6–12 hours after shaving or waxing before applying the serum, to prevent irritation or sensitivity.

How long does it take to see visible results?

Users typically begin to notice improvement in 2–3 weeks, with more visible and even tone results showing after 6–8 weeks of continuous daily use.

Can I use it on areas other than underarms?

Yes! This serum is suitable for inner thighs, elbows, knees, and other friction-prone areas with darkened or rough skin.

Does it control odor or sweat?

No, this product is not a deodorant or antiperspirant. It is a brightening treatment serum only. You may use a deodorant afterward if needed.

Can I layer it with other Koji White products?

Yes! You may pair it with Koji White soaps, body lotions, or serums. If you have sensitive skin, avoid overlapping too many actives on the same area at once.

Does it leave a sticky or greasy feel?

Not at all. It has a lightweight, water-based texture that absorbs fast and leaves your skin smooth and fresh.