Extreme Brightening Serum — Kojic Acid + Alpha Arbutin
A lightweight cosmetic serum for visible dark spots, post-blemish marks, dullness and uneven-looking tone, with Kojic Acid and Alpha Arbutin as the key brightening story.
Key Ingredients Listed for This Formula
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Kojic Acid — commonly used in cosmetic brightening formulas focused on uneven-looking tone.
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Alpha Arbutin — used in skincare aimed at the appearance of visible dark spots and uneven tone.
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Hyaluronic Acid — supports hydration and a plumper skin feel.
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Aloe Vera — provides cosmetic conditioning and hydration support.
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Vitamin E — an antioxidant ingredient used to support skin conditioning.
Use the ingredient list on the current bottle/box as the source of truth for the complete INCI formula.
What It Helps With
- Helps visible dark spots and post-blemish marks look less noticeable over time
- Supports a brighter, more even-looking complexion
- Provides hydration support without a heavy cream texture
- Offers a straightforward Kojic Acid + Alpha Arbutin option within the Ammuri brightening range
Who It’s For
Choose Extreme Brightening Serum if you specifically want the Kojic Acid + Alpha Arbutin formula story. If your skin is reactive, patch test and introduce gradually rather than assuming every brightening active will suit every skin type.
How to Use
- Apply a small amount to clean, dry skin according to the current packaging directions.
- Allow it to absorb before moisturiser.
- Use morning and/or evening according to skin tolerance.
- During the day, finish with an appropriate broad-spectrum sun-protection product and follow its exact label directions.
Extreme vs Exosome Brightening Serum
The Extreme Brightening Serum is positioned around Kojic Acid + Alpha Arbutin with Hyaluronic Acid, Aloe Vera and Vitamin E. The Exosome Brightening & Hydration Booster Serum is positioned as a separate multi-active formula with Kojic Acid, Glutathione, Vitamin C and Alpha Arbutin.
You do not need to layer both serums. Choose one according to the ingredient profile on the physical product you receive and your skin tolerance.
Read our Kojic Acid + Alpha Arbutin Serum Guide.
Realistic Expectations
There is no universal 4–8 week or 8–12 week result promise. Visible marks change at different rates depending on their cause, depth, age, sun exposure, individual skin and routine consistency.
Frequently Asked Questions
What results should I expect?
It is cosmetic skincare intended to improve the appearance of visible dark spots and uneven-looking tone. Results vary by skin and routine.
Is it guaranteed vegan or cruelty-free?
We only make those claims where current supplier/formula documentation supports them. Check the current packaging or contact Ammuri if certification or ingredient origin is important to your purchase.
Should I layer it with Exosome Serum?
Not automatically. One well-chosen brightening serum is usually clearer and easier to assess for tolerance.
Do I need SPF50 specifically?
Use an appropriate broad-spectrum sun-protection product and follow the exact rating, amount and reapplication directions on its current packaging.
Important: This is cosmetic skincare, not a treatment for melasma or another diagnosed pigmentation disorder. Stop use if persistent irritation occurs.
