Foxtale 10% Vitamin C + Glutathione Serum Review: Is This India’s Best Skin Brightening Serum for Glass Skin?

Dull skin. Patchy tone. A drawer full of serums that promised a glow yet delivered nothing. If that’s your story, you’ve probably already heard the talk around combining a vitamin C and glutathione serum for brightening. And Foxtale’s 10% Gluta-Vit C serum is the one probably at the top of your wishlist.

But is this skin brightening serum worth the hype? Keep reading to know more.

Benefits of Glutathione for Face

Glutathione is a powerful antioxidant that your body naturally produces. In skincare, glutathione is primarily valued for these benefits:

• Helps fight oxidative stress: Glutathione neutralises free radicals caused by UV exposure, pollution, and environmental stressors that can contribute to dullness and premature skin ageing.
• Support a brighter, even complexion: Research shows that glutathione can interfere with melanin production, which may help reduce the appearance of dark spots and uneven skin tone over time.
• Supports Firmer, Healthier-Looking Skin: By helping protect collagen from oxidative stress, glutathione may contribute to improved skin elasticity and a smoother appearance over time. 
• Helps Combat Dullness: Factors like year-round sun exposure, humidity, and pollution can contribute to skin dullness and uneven tone. This makes antioxidant-rich ingredients like glutathione a valuable addition to your routine.

Why Vitamin C And Glutathione Serum Work Together So Well?

Vitamin C and glutathione work on the same biological pathway, and vitamin C helps recycle glutathione once it’s been used up by your skin’s antioxidant processes. In theory, that means you get a longer-acting, more efficient brightening effect than either ingredient could deliver solo.

Here are all the key ingredients in Foxtale 10% Gluta-Vit C Advanced Brightening Serum:

• 3-O-Ethyl Ascorbic Acid (10%): A stable, oil-and-water-soluble derivative of vitamin C. Unlike pure L-ascorbic acid, it doesn’t oxidise (turn orange-brown) as quickly, which means a longer shelf life and more consistent performance.
• 1% Glutathione: the antioxidant and skin brightening ingredient.
• 2 % Glyceryl Glucoside, Betaine, Glycerin: Hydration boosters that help offset the dryness vitamin C serums sometimes cause.
• Squalane: A lightweight, skin-identical emollient that helps with barrier support without heaviness.
• Undecylenoyl Phenylalanine: A brightening ingredient with clinical evidence for pigmentation and melasma support.
• Tocopherol (Vitamin E): Another antioxidant that pairs with vitamin C to help stabilise it and fight free radicals.

How To Use It

• Order: Apply on clean skin and follow up with moisturiser and sunscreen.
• Amount: A pea-sized amount or 2–3 drops of Foxtale 10% Gluta-Vit C Advanced Brightening Serum is enough for your face.
• Frequency: It’s gentle enough for both AM and PM routine, though if you’re newer to actives, use it every other day for the first week or two.

Who it’s Best Suited for

The Foxtale 10% Gluta-Vit C Advanced brightening serum makes the most sense if you are looking for a serum for glowing skin. It’s best for:

• Dull, tired-looking skin without active acne flare-ups
• Early-stage hyperpigmentation, post-acne marks, melasma, or uneven tone
• Sensitive skin or a beginner’s routine that has reacted badly to stronger 15–20% vitamin C serums in the past
• Anyone wanting one product to layer brightening + antioxidant protection, rather than two separate steps

Also Read: 7 Best Tan Removal Face Masks To Bring Back The Glow

Foxtale 10% Gluta-Vit C Advanced Brightening Serum vs. The Derma Co 2% Glutathione Face Serum

Here’s a side-by-side comparison of the two of the most searched glutathione serums in India right now.

Parameters	Foxtale 10% Vit C-Gluta Serum	The Derma Co 2% Glutathione Serum
Key actives	10% 3-O-Ethyl Ascorbic Acid +1% Glutathione	2% Glutathione + 3% Tranexamic Acid
Texture	Lightweight gel-cream	Lightweight, watery gel
MRP (30ml)	₹645	₹699
Best suited for	Brightening dull skin and dark spots, hydration, and anti-ageing	Brightening uneven skin, improves overall complexion

Foxtale brightening serum uses vitamin C as a brightening ingredient, while The Derma Co. uses tranexamic acid as a key ingredient.

If you want a brightening-plus-protection serum that also hydrates your skin, Foxtale’s formula is perfect for daily use. If you’re dealing with blemishes and overall even-toned skin, Derma Co. serum is a good pick.

Can the Foxtale Brightening Serum Give You Korean Glass Skin?

The term “glass skin” originally refers to Korean skin that looks so smooth, even-toned, and well-hydrated that it looks almost translucent. Realistically, glass skin isn’t a single-product outcome for anyone, anywhere. 

It’s the result of a full routine: consistent hydration, gentle exfoliation, barrier care, and yes, brightening activities like Vitamin C and glutathione used consistently. For Indian skin tones and our climate, the goal isn’t “glass” in the literal Korean-skin sense, but it’s even tone, healthy texture, and a genuine lit-from-within glow.

A vitamin C + glutathione serum, like one from Foxtale, helps you tackle uneven tone and dullness, two of the biggest challenges to that “lit from within” look.

How to Use Foxtale Serum for Glowing Skin Every Day

Here’s a simple 4-step skincare routine you can build around the Foxtale 10% Vitamin C + Glutathione serum:

1. Cleanse: Use a gentle, non-stripping face wash suited to your skin type
2. Treat: Apply the Foxtale 10% Vit C-Gluta serum in your AM and/or PM routine
3. Moisturise: Follow up with a lightweight, hydrating moisturiser to lock in hydration and support your barrier.
4. Protect: Use broad-spectrum SPF 30+ sunscreen every single morning and reapply it throughout the day if you’re outdoors. 

That’s all. You don’t need a ten-step routine, but rather the right three or four steps, done consistently, to get glowing skin.

FAQs on Glutathione and Vitamin C 

What does glutathione do for your skin? 

Glutathione acts as an antioxidant for skin, helping neutralise oxidative stress from pollution and UV exposure, and also supports brighter, more even skin tone over time.

Can I use vitamin C and glutathione serum together? 

Yes, glutathione and vitamin C work on complementary skin-brightening pathways, with vitamin C helping regenerate glutathione’s antioxidant activity. Using them in one formula (like this Foxtale serum) is a convenient way to avoid layering multiple products.

How long does it take to see results from a glutathione serum? 

For genuine tone-evening results, give it 4–8 weeks of consistent use to notice visibly brighter, smoother skin.

Is a 10% vitamin C serum safe for sensitive or acne-prone skin?

Yes, 10% Vitamin C serum is safe for sensitive and acne-prone skin, especially with a stable derivative like 3-O-Ethyl Ascorbic Acid, which tends to be gentler than pure L-ascorbic acid. Always patch test first to check for sensitivity to allergic reactions.

Which is better: Foxtale Gluta-Vit C Serum or The Derma Co. Glutathione Serum? 

Neither is objectively better as they’re both suited for skin brightening. Pick a serum based on your specific concern.

Can I use a brightening serum daily? 

Most brightening serums are formulated for daily use. If you’re new to actives, start every other day and build up, watching for any sensitivity before going daily.