10% Vitamin C-Glutathione Advanced Brightening Serum
Improves Dull Skin, Dark Spots & Brightens Skin in 3 Days* | 30 ml
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Product Details
Helps With
Hero Ingredients
10% Vit C-Gluta Complex 10% Vit C-Gluta Complex Fades dark spots and melasma while bringing out a natural, radiant glow
Hydration Boosters Hydration boosters Hydrate skin for a plump, glow-from-within look
For
All Skin Types
Routine
Daily, morning and night
Offers
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10% Vitamin C-Glutathione Advanced Brightening Serum
All About 10% Vit C-Gluta Advanced Brightening Serum
Expected Results
How to use
Complete Your Routine
Directions of use
How to Use:
Step 1: Cleanse your face with Super Glow De-Tan Face Wash.
Step 2: Apply 2–3 drops of the 10% Vitamin C-Glutathione Serum onto your face
Step 3: Gently massage until fully absorbed.
Follow with Foxtale Super Glow Moisturizer and Foxtale Vitamin C SPF 50 Sunscreen.
-This serum can be used daily as part of your morning and night routine.
Note: We recommend doing a patch test before use.
Why Is This Beginner-Friendly?
-10% Vitamin C + Glutathione Complex with 3-O-Ethyl Ascorbic Acid (the most stable form of Vitamin C) helps target melanin production gently, reducing dullness and uneven skin tone without making the skin feel irritated or sensitized.
-The combination of Glutathione, Vitamin C, and hydration boosters helps support the skin barrier, while also being non-greasy in nature, keeping the formulation effective yet balanced.
Clinical Study:
*Based on a clinical study conducted with 36 volunteers by an independent lab in September 2025
Full Ingredient List
Aqua, 3-O- Ethyl ascorbic acid, Propanediol, Propylene glycol, Betaine, Glycerin, Glyceryl Glucoside, Glutathione, Phenoxyethanol, Squalane, Sodium Acrylates Copolymer, Lecithin, Undecylenoyl Phenylalanine, Allantoin, Tocopherol, Carbomer, Ethylhexylglycerin, Octenidine HCl, Disodium EDTA, Triethanolamine, Allergen free fragrance
Full Ingredient List
Aqua, 3-O- Ethyl ascorbic acid, Propanediol, Propylene glycol, Betaine, Glycerin, Glyceryl Glucoside, Glutathione, Phenoxyethanol, Squalane, Sodium Acrylates Copolymer, Lecithin, Undecylenoyl Phenylalanine, Allantoin, Tocopherol, Carbomer, Ethylhexylglycerin, Octenidine HCl, Disodium EDTA, Triethanolamine, Allergen free fragrance
Our 10% Vit C – Gluta Advanced Brightening Serum is
Vegan
Paraben Free
Dermatologically Tested
Cruelty Free
Sulfate Free
Reviewed and Trusted Across the Internet
Users see visible brightening and reduced dark spots within 2-3 weeks of consistent daily use. Many report their skin looks noticeably glowing and more even-toned, with compliments from friends on their improved complexion.
Mentioned in 611 reviews
People praise the serum's lightweight, non-sticky texture that absorbs quickly without feeling greasy or heavy. It works well for all skin types, including oily skin, and layers smoothly under sunscreen and moisturizer.
Mentioned in 604 reviews
Reviewers appreciate that the serum feels gentle and non-irritating, leaving skin soft and smooth to the touch. Many say they see results without any redness, roughness, or discomfort from the product.
Mentioned in 592 reviews
1. What is Glutathione?
Glutathione is a powerful antioxidant that fades pigmentation and brightens skin tone. Its topical application also helps with cellular repair and regeneration for your skin.
2. What does Glutathione serum do?
A potent Glutathione serum wanes dark spots and pigmentation while enhancing your skin’s latent radiance.
3. Is this serum suitable for all skin types?
Yes! Foxtale’s 10% Vit C - Gluta Advanced Skin Brightening Serum has been formulated with all skin types in mind.
4. How long does 10% Vitamin C - Gluta serum take to work?
This skin brightening serum bestows a visible dewy glow on your skin within 3 days only. The best part? It doesn’t result in any sensitivity or flare-ups, making it a great fit for all skin types.
5. Can I use Glutathione skin brightening serum daily?
Yes, you can. If you’re new to Glutathione, we recommend a patchtest before to avoid accidental flare-ups and inflammation.
6. Which one is better, Vitamin C serum or Gluta Vitamin C serum?
If you’re looking for just a brightening boost for your skin, try Foxtale’s Vitamin C serum. Alternatively, for effective skin brightening, cellular repair and rejuvenation, and infallible protection against external aggressors, try the Gluta Vitamin C Serum.
7. Will this serum help with dull skin and pigmentation?
Yes, definitely. Topical application of our Glutathione face serum wanes pigmentation, dark spots, and melasma, leaving your skin with a long-lasting dewy glow.
8. Do Glutathione and Vitamin C help with skin Brightening?
Yes. This powerful duo helps fade pigmentation to administer an even-toned complexion with regular use. Moreover, Glutathione and Vitamin C ward off aggressors that can dull your complexion, preserving your skin’s glow.
9. Can Gluta C serum remove pimples?
This inventive serum ensures healthy cellular repair, fights oxidative stress, and supports barrier health, preventing episodes of pimples and acne. However, for a more targeted treatment, we recommend serums with Salicylic Acid, Glycolic Acid or Foxtale’s 12% Niacinamide Serum.
10. Why combine Glutathione with Vitamin C?
Combining Glutathione and Vitamin C helps double down on efforts for even toned, glowing skin. Additionally, the two ingredients extend the following benefits:
- Tauter skin due to healthy cellular repair and aided Collagen production.
- Faded dark spots, pigmentation, and melasma.
- Formidable protection against free radicals.
11. Is it safe to use under makeup?
Absolutely. This Glutathione serum for face brightens skin in 8 ways and ensures a dewy glow in the process, making it the perfect precursor to your glam look.
12. How should I store my 10% Vit C - Gluta Serum?
Store this brightening serum in a cool, dry place to avoid degradation due to light or air.
13. Is the Glutathione Serum with Vitamin C safe for Acne Prone Skin?
Yes. The serum is formulated with a lightweight, breakout-safe gel-cream texture that does not clog pores. In fact, it helps to fade the stubborn post-acne marks (PIH) and inflammation that often follow a breakout.
14. Can we layer Gluta Vit C with different Active Ingredients?
Yes you can pair this Gluta Vit C Serum with other actives like niacinamide and hyaluronic acid but avoid using it with retinol and AHA BHAs in the same routine.
15. Is the Foxtale Glutathione Serum with Vitamin C safe for Sensitive Skin?
Yes, the serum is gentle and non-irritating even on sensitive skin. It has 10% Vitamin C complex (often using more stable derivatives like Ethyl Ascorbic Acid) combined with soothing agents like Allantoin and Aquaporin boosters.
16. Is Foxtale's Gluta Vit C serum Dermatologist Approved?
Yes. The serum is Dermatologically Tested and has been reviewed and recommended by dermatologists for its safety profile and efficacy.
Why Foxtale's 10% Vitamin C + Glutathione Serum Stands Out for Pigmentation & Brighter Skin
If dull skin, stubborn pigmentation and uneven skin tone are stopping your skin from looking its best, a regular Vitamin C serum may not always be enough. Foxtale's 10% Vitamin C + Glutathione Advanced Brightening Serum is formulated to target multiple causes of dullness not just brighten the skin. Powered by 10% Vitamin C Complex (3-O-Ethyl Ascorbic Acid), 1% Glutathione and Allantoin, it helps improve skin glow, fade the appearance of pigmentation and dark spots, even out skin tone, boost hydration and support healthier-looking skin all in one lightweight daily serum.
Why it stands out:
- Visibly brighter-looking skin in 3 days*
- Clinically evaluated finished formulation
- Glow Complex of 10% Vitamin C + Glutathione
- Beginner-friendly with zero recorded irritation during clinical evaluation
- Measurable improvement in glow, hydration, and skin tone after 28 days
Learn more about How Vitamin C Helps Brighten Skin, Reduce Pigmentation & Support Collagen Production
10% Vitamin C + Glutathione Serum Benefits
How Do We Claim Visible Brighter Skin in Just 3 Days?
Foxtale's 10% Vitamin C + Glutathione Serum doesn't rely only on ingredient percentages. Every key claim is supported through independent clinical efficacy studies and consumer self-evaluation studies.
How to Measure Visible Results with Timelines
Day 1
Immediately after application
- Skin feels hydrated
- Lightweight, non-sticky finish
- Healthy-looking glow
Day 3
Clinical interim evaluation showed:
- 3.0% improvement in skin glow
- 31.7% improvement in skin moisturisation
- Reduction in visible dark spot intensity
- Users also reported visibly healthier-looking skin.
Day 7
Consumer evaluation showed:
- 83% observed brighter skin
- 86% reported glowing skin
- 94% noticed naturally glowing skin
- 77% observed improvement in skin tone
- 44.9% improvement in moisturisation
Day 28
Clinical efficacy study demonstrated:
- 29.34% improvement in skin glow
- 75.84% improvement in skin moisturisation
- 30.01% improvement in skin tone evenness
- 3.98% improvement in skin brightness
- 2.78% reduction in melanin content
- Improved skin elasticity
Is 10% Vitamin C + Glutathione Serum Beginner-Friendly?
Yes. Foxtale's 10% Vitamin C + Glutathione Serum is formulated to be beginner-friendly, It contains 3-O-Ethyl Ascorbic Acid, a highly stable Vitamin C derivative known for delivering brightening benefits while being gentler on the skin. Combined with Glutathione, which complements Vitamin C to target pigmentation and uneven skin tone through a different pathway, the formula helps improve radiance with enhanced skin comfort.
How Foxtale's 10% Vitamin C + Glutathione Serum Helps Target 8 Key Skin Concerns
How Foxtale's Vitamin C Formulation Compares to Other Vitamin C Serums
Clinical Efficacy Study
Evaluated through:
- Instrumental Evaluation
- Consumer Self-Evaluation
- Dermatologist Supervision
Measured:
- Skin glow
- Skin brightness
- Moisturisation
- Skin tone evenness
- Melanin reduction
- Skin elasticity
Instrument-Tested Results
- 29.34% improvement in skin glow
- 75.84% improvement in moisturisation
- 49.69% improvement in moisturisation within 30 minutes
- 30.01% improvement in skin tone evenness
- 3.98% improvement in skin brightness
- 2.78% reduction in melanin content
- Improved skin elasticity
Consumer Self-Evaluation Study
Within 7 days:
- 83% observed brighter skin
- 86% reported glowing skin
- 94% noticed naturally glowing skin
- 77% observed improvement in skin tone
- 100% agreed their skin felt instantly hydrated within 30 minutes
Additional user-reported benefits:
- Quick absorption
- Non-greasy finish
- Non-sticky texture
- Easy spreadability
Detailed Breakdown of Foxtale Vitamin C + Glutathione Serum Technology & Ingredients
What Makes This Different from a Regular Vitamin C Serum?
Most Vitamin C serums rely on a single active ingredient.
Foxtale combines:
- 10% Vitamin C Complex to brighten dull skin and reduce pigmentation.
- Glutathione to target uneven skin tone and support a radiant complexion.
- Allantoin to soothe and support the skin barrier.
- Glow Complex to deliver brightening and hydration together instead of focusing on only one concern.
Together, these ingredients help improve skin glow, hydration, skin tone evenness and visible pigmentation while remaining suitable for daily use.
Why Is Glutathione Added?
Glutathione complements Vitamin C by supporting skin brightening through a different biological pathway.
While Vitamin C helps reduce oxidative stress and visibly brighten skin, Glutathione helps improve overall skin clarity, reduce visible pigmentation and support a more even-looking complexion.
Together they work synergistically to enhance radiance while helping reduce dullness and dark spots over time.
Why Is Allantoin Included?
Brightening ingredients can sometimes leave skin feeling dry.
Allantoin helps:
- Support the skin barrier
- Improve skin comfort
- Maintain hydration
- Soothe the skin
This allows daily use while improving overall skin health.
Vitamin C + Glutathione Serum - INCI Ingredient List
| Sr. No. | INCI Ingredient | Function / Benefit |
| 1 | Aqua | Base / Solvent |
| 2 | 3-O- Ethyl ascorbic acid | Stable Vitamin C; brightening; antioxidant; hyperpigmentation reduction |
| 3 | Propanediol | Humectant; skin-conditioning agent; enhances penetration |
| 4 | Propylene glycol | Humectant and conditioning agent for moisture retention |
| 5 | Betaine | Humectant; osmoprotectant; anti-irritant; skin-softening |
| 6 | Glycerin | Humectant; draws moisture into skin; improves texture |
| 7 | Glyceryl Glucoside | Aquaporin activator; boosts skin's natural hydration channels |
| 8 | Glutathione | Potent antioxidant; brightening; inhibits melanin synthesis |
| 9 | Phenoxyethanol | Broad-spectrum preservative; antimicrobial |
| 10 | Squalane | Emollient; antioxidant; mimics skin's natural sebum; non-comedogenic |
| 11 | Sodium Acrylates Copolymer | Polymeric thickener; texture modifier |
| 12 | Lecithin | Natural emulsifier; skin-identical phospholipid |
| 13 | Undecylenoyl Phenylalanine | Anti-pigmentation; reduces uneven skin tone |
| 14 | Allantoin | Soothing; promotes healing; keratolytic; skin-smoothing |
| 15 | Tocopherol | Vitamin E; antioxidant; protects against free radicals; moisturising |
| 16 | Carbomer | Polymer thickener / gelling agent; provides texture and viscosity |
| 17 | Ethylhexylglycerin | Preservative booster; skin-conditioning |
| 18 | Octenidine HCl | Antimicrobial preservative; broad-spectrum efficacy |
| 19 | Disodium EDTA | Chelating agent; enhances formula stability; improves preservative efficacy |
| 20 | Triethanolamine | pH adjuster; neutralises carbomer for optimal viscosity |
| 21 | Allergen free fragrance | Improves sensorial appeal without common allergens |