
Potassium Alum
A natural mineral made micro-fine for the first time ever, delivering effective 48-hour protection while remaining non-clogging for pores.
(VAT incl.)
42.18 per 100 ml
56.94 with code GOLD10
Earn 63 Cash Points when you buy this product
Limited stock
Key Ingredients
Potassium Alum: A natural mineral made micro-fine for the first time ever, delivering effective 48-hour protection while remaining non-clogging for pores.
Sourced directly from the brand or its authorised distributor — never third-party resellers.
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Beesline Underarm Spray Serum is designed for anyone looking to brighten and even their underarm skin tone with a lightweight, refreshing formula. The spray combines cucumber and tea extracts to soothe and condition the delicate underarm area while absorbing quickly without residue, leaving skin feeling soft and comfortable throughout the day.
Formulated with natural cucumber and tea extracts known for their brightening and antioxidant properties to gently illuminate and rejuvenate delicate underarm skin.
Full ingredients list (19)
Butane, Cyclomethicone, Propane, Potassium Alum, Cyclopentasiloxane, Caprylic/Capric Triglyceride, Dimethicone, Parfum, Disteardimonium Hectorite, Aloe Barbadensis Leaf Extract, Propylene Carbonate, BHT, Mica (CI 77019), Magnesium Ascorbyl Phosphate, Titanium Dioxide, Diacetyl Boldine, Linalool, Citronellol, Alpha-Isomethyl Ionone.
As printed on the pack.
From the product label.
Fits your routine
Label directions: Shake well before use.
From the product label. A planning tool, not medical advice. You can change everything afterwards.

A natural mineral made micro-fine for the first time ever, delivering effective 48-hour protection while remaining non-clogging for pores.

Helps visibly brighten dark patches and promote a more even-looking tone on the underarm area.

Supports deeper activated radiance for brighter-looking underarms and helps reduce the appearance of dark patches.

Provides an instant optical glow effect for visibly brighter-looking skin on contact.

Helps moisturize and boost skin comfort while soothing the delicate underarm area.
Shake well before use. Spray onto clean, dry underarms from 15 cm away from skin. Allow to dry before dressing. For faster brightening results, use twice daily.
Specs last updated: June 15, 2026
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