



Azelaic Acid Serum for Dark Spots & Uneven-Looking Skin — with HPPA
COSMECELL
Radian Skin Serum · 30 ml
Brighter-looking, even-toned skin. Visible results in 15 days*.
A dual-active brightening serum with Azelaic Acid and Hydroxyphenoxy Propionic Acid 1% that visibly fades the look of dark spots, pigmentation and dullness.

Key benefits at a glance
The promise
One serum. Three visible changes.
01
Fades the look of dark spots
Visibly fades the look of dark spots and post-blemish marks.
02
Evens out the look of tone
Targets the look of pigmentation for a more uniform-looking complexion.
03
Lifts dullness
For brighter, clearer-looking skin with a hydrated, comfortable feel.
The science
A dual-active complex for the look of pigmentation
Most brightening serums lean on a single hero ingredient. Radian Skin Serum pairs two complementary acids that target the look of dark spots from different angles, then adds hyaluronic acid to keep skin feeling hydrated. Tap an active to learn more.
Azepur99®Azelaic Acid+
A naturally occurring acid, also found in grains such as wheat and barley. It works on the look of uneven tone, dark spots and post-blemish marks.
HPPA · Radianskin®Hydroxyphenoxy Propionic Acid 1%+
A next-generation brightening active. It supports a brighter, more even-looking complexion and helps calm the look of redness.
Hydration supportHyaluronic Acid+
A humectant that helps hold moisture at the surface, so the serum feels comfortable and layers easily.
What to expect
Your 15-day visible-results journey
Day 1
First application
A lightweight, non-greasy serum that absorbs quickly and leaves skin feeling hydrated.
Day 2–14
Build the ritual
Apply morning and evening and wear sunscreen daily. Consistency is what brings visible results.
Day 15*
Visible results
The look of dark spots and pigmentation is visibly faded, for brighter, more even-looking skin.
Swipe →
*With consistent daily use; individual results may vary.
Made for you
Who it's for
- Indian skin prone to pigmentation and dark spots
- Post-blemish marks and uneven-looking tone
- Dullness from everyday sun exposure
- Sensitive, combination and blemish-prone skin
- Humid weather: a light texture that layers under sunscreen
The ritual
How to use
Cleanse
Start with clean, dry skin, morning and evening.
Apply
Smooth 2 to 3 drops over the face.
Moisturise
Follow with your moisturiser.
Protect
Every morning, finish with a broad-spectrum sunscreen, such as Cosmecell SPF 50 PA++++ Daily Sunscreen.
New to acids? Patch test first and start every other night.
Why Cosmecell
How it compares
|
COSMECELL Radian Skin Serum |
Typical brightening serum | |
|---|---|---|
| Brightening actives | Azelaic Acid + HPPA 1%, dual-active | Often a single active |
| Targets | Look of dark spots, pigmentation and dullness | Varies; often dullness only |
| Hydration support | Hyaluronic acid | Not always included |
| Texture | Lightweight, non-greasy, layers easily | Varies by formula |
| Use | Morning and evening | Varies |
| Dermatologically tested | Yes | Not always stated |
Our standard
Formulated to be trusted
Dermatologically tested
A dermatologically tested formula.
Lightweight & non-greasy
Comfortable in Indian heat and humidity.
For sensitive skin
Noted as suitable for sensitive, combination and blemish-prone skin.
Questions
Frequently asked
What does the Cosmecell Radian Skin Serum do?+
It is a lightweight brightening serum with azelaic acid, HPPA (hydroxyphenoxy propionic acid) 1% and hyaluronic acid. It targets the look of pigmentation, dark spots and dullness, and visibly fades the look of dark spots and post-blemish marks for brighter, more even-looking skin.
When will I see results?+
Visible results in 15 days* of consistent daily use. *Individual results may vary. Pair it with daily sunscreen to help keep dark spots from looking more visible.
Is it dermatologically tested?+
Yes. The Cosmecell Radian Skin Serum is dermatologically tested.
Is it suitable for sensitive or oily skin?+
It is a lightweight, non-greasy serum noted as suitable for sensitive, combination and blemish-prone skin, and it sits comfortably in heat and humidity. If you are new to acids, patch test first and start every other night.
Can I use it with vitamin C?+
Yes. Many routines use vitamin C in the morning and azelaic acid in the evening. Introduce one new active at a time and patch test first.
Do I need sunscreen with it?+
Yes. Wear a broad-spectrum sunscreen every morning, such as Cosmecell SPF 50 PA++++ Daily Sunscreen, to help keep dark spots from looking more visible.
Read: Azelaic Acid vs Vitamin C, which is better for dark spots?
COSMECELL
Science for visibly radiant skin
*With consistent daily use; individual results may vary. For external cosmetic use only.
Shipping details
We usually ship within 24 working hours after receiving an order. Once shipped, our logistics partner can take anywhere from 2 to 5 days, to get the order delivered to you. Users in metro cities can expect a faster delivery speed (within 3 days).
Returns & Refund
Please raise a return/ replacement request within 7 (seven) days from the date of delivery. To raise a return / refund request in such cases, please drop us an email at info@cosmecell.com
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