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Exo C Booster

Brightening Vitamin C Exosome Serum for Glow, Collagen Support & Anti-Ageing.

Sale price£61.20 Regular price£68.00

Price per ml: £2.04/ml

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The next generation of vitamin C serum. Powered by exosome technology.

Exo C Booster is Dr Sebagh's most advanced brightening formula: a dual-action vitamin C and exosome serum that works at a cellular level to deliver results traditional vitamin C serums cannot achieve alone. Leaves skin visibly more supple, radiant and even.[1]

Where most vitamin C serums sit at the skin's surface, Exo C Booster goes deeper. Plant-derived exosomes (nano-scale cellular messengers) transport actives directly into the skin, improving cellular communication, accelerating natural regeneration, and dramatically enhancing the bioavailability of the stabilised vitamin C at the formula's core. The result is faster, more visible, and more lasting skin renewal.

Exosome technology from the Dr Sebagh Clinic to your routine.

Exosome therapy is one of the most in-demand regenerative treatments at the Dr Sebagh Clinic. Exo C Booster translates this clinical technology into a daily at-home formula, using plant-derived exosomes sourced from Goji Stem Cells to reactivate the skin's own regenerative potential, stimulate collagen and elastin synthesis and strengthen the skin barrier. This is the first Dr Sebagh product to bring exosome technology into daily skincare.

Clinically proven results, in as little as four weeks.

The key ingredients in Exo C Booster are individually clinically studied. Plant-derived exosomes are proven to reduce wrinkle depth by an average of 11% in 56 days. Next-generation Vitamin C improves wrinkles by an average of 19.6% in 56 days. Bio-Synthesised Collagen reduces crow's feet wrinkles by 26.7% in just four weeks. These are not marketing claims, they are ingredient-level clinical results that place Exo C Booster among the most evidence-backed formulas in the Dr Sebagh range.

Next-generation stabilised Vitamin C, without the instability.

The stabilised form of Vitamin C in this formula overcomes the oxidation and irritation that limits conventional L-ascorbic acid serums. It delivers consistent antioxidant protection, collagen-boosting activity and visible brightening without turning orange in the bottle or causing sensitivity. Ferulic Acid enhances its stability and effectiveness further, while Bio-Synthesised Collagen and White Mother-of-Pearl deliver instant luminosity from the first application.

Suitable for all skin types, including sensitive.

Formulated with 99.4% natural-origin, vegan-friendly ingredients, Exo C Booster is lightweight, fast-absorbing and gentle enough for sensitive skin. It integrates seamlessly into any morning routine, enhancing the performance of every product applied on top — serums, moisturisers and SPF alike.

Use it alone or as part of the Dr Sebagh Serum Bar.

Apply a few drops to the face, neck and décolleté after cleansing, morning or night, although vitamin C is best applied in the morning. Use alone or blend with Serum Repair for enhanced hydration and collagen support, or layer before Supreme Day Cream for a complete antioxidant and HEV protection routine. Do not apply at the same time as Retinol Night Repair. If you use retinol at night, keep Exo C Booster for the morning.

Use it alone or blend it into any product in your routine.

Apply a few drops to the face, neck and décolleté after cleansing, morning or night, although vitamin C is best applied in the morning. Use alone as a targeted booster, blend with any serum from the Dr Sebagh Serum Bar for a bespoke treatment, or mix directly into your moisturiser to upgrade any product in your routine. It enhances the performance of everything it touches. Do not apply at the same time as Retinol Night Repair. If you use retinol at night, keep Exo C Booster for the morning.

This is more than a vitamin C serum.

It is a biotech-powered, clinically formulated anti-ageing booster designed to regenerate, protect and illuminate, the daily skin upgrade your routine has been missing.

[1] SGS clinical study, 02.2025, 23 women, 21 days: 96% agreed skin was supple, 91% agreed skin was radiant, 87% agreed their complexion was more even.

Benefits

Key Benefits

• Boosts collagen & elastin for visibly firmer skin

• Brightens skin tone & reduces pigmentation

• Clinically proven to reduce wrinkle depth

• Advanced antioxidant protection against UV, pollution & blue light

• Instantly enhances radiance with light-reflecting technology

• 99.4% natural-origin & vegan-friendly

Visible Results Over Time

Instant Glow

• Brightens and refreshes the complexion

• Smooths and softens skin texture

After 2–3 Weeks

• Refines pores and improves skin clarity

• Helps reduce blemishes and uneven tone

Long-Term Anti-Ageing

• Visibly reduces fine lines and wrinkles

• Improves skin elasticity and firmness

• Strengthens skin against environmental damage

Application

Think of the Exo C Booster as your radiance amplifier.
Your other serums and creams? They just got smarter.

After cleansing, apply a few drops of Exo C Booster
Use morning or night, although vitamin C is best applied in the morning.


Blend with your serum or cream, or layer before moisturiser.


Enjoy an instant radiant glow that boosts your anti-ageing routine.

Key Ingredients and Actives
  • Exosome Technology (Goji Stem Cells)

    Microscopic cellular messengers that stimulate collagen and elastin, visibly sculpt contours, and strengthen skin structure. Clinically proven to reduce wrinkle depth by 11% in 56 days.

  • Next-Generation Vitamin C (3-O-Ethyl Ascorbic Acid)

    A highly stable, less irritating form of Vitamin C that brightens skin, fades pigmentation and age spots, boosts collagen, and shields against UV, blue light, and pollution.

  • 3rd Generation Bio-Synthesised Collagen

    A plant-based, biomimetic alternative to animal collagen. Clinically shown to reduce crow’s feet by 26.7% in 4 weeks, while improving hydration, elasticity, and firmness.

  • Ferulic Acid

    A powerful antioxidant amplifier that boosts Vitamin C’s performance, neutralises free radicals, and provides up to 8x protection against UV damage.

  • White Mother-of-Pearl

    For the perfect finishing touch: White Mother-of-Pearl delivers an instant luminous sheen, bouncing and reflecting light, whilst blurring imperfections and enhancing radiance, even under makeup.

AQUA (WATER), PROPANEDIOL, 3-O-ETHYL ASCORBIC ACID, HELICHRYSUM ITALICUM FLOWER WATER, MICA, TITANIUM DIOXIDE, GLYCERIN, XANTHAN GUM, SODIUM BENZOATE, ISOMALT, BUTYLENE GLYCOL, CAPRYLYL/CAPRYL GLUCOSIDE, SODIUM CITRATE, ADENOSINE, FERULIC ACID, GLYCOGEN, DISODIUM EDTA, PARFUM (FRAGRANCE), ARGININE, CITRIC ACID, LYCIUM BARBARUM FRUIT EXTRACT, LECITHIN, DECYL ALCOHOL, HYDROLYZED COLLAGEN, HELICHRYSUM ITALICUM EXTRACT.

FAQs

What is Exo C Booster and what does it do?

Exo C Booster is Dr Sebagh's most advanced brightening formula, combining plant-derived exosome technology with next-generation stabilised Vitamin C. It works at a cellular level to brighten skin tone, reduce pigmentation, stimulate collagen and elastin production, and strengthen the skin's own regenerative capacity. Unlike traditional Vitamin C serums that sit at the skin's surface, Exo C Booster delivers actives deeper into the skin for faster, more visible and more lasting results.

What are exosomes and how do they help the skin?

Exosomes are nano-scale cellular messengers that transport actives directly into the skin, improving cellular communication and accelerating natural regeneration. In Exo C Booster, the exosomes are plant-derived from Goji Stem Cells and work to reactivate the skin's regenerative potential, stimulate collagen and elastin synthesis and strengthen the skin barrier. Exosome therapy is one of the most in-demand regenerative treatments at the Dr Sebagh Clinic. Exo C Booster brings this clinical technology into a daily at-home formula.

What makes Exo C Booster different from other Vitamin C serums?

Most Vitamin C serums use L-ascorbic acid, which is highly unstable, oxidises quickly and can cause irritation. Exo C Booster uses a next-generation stabilised form of Vitamin C proven to improve wrinkles by an average of 19.6% in 56 days, without oxidation or sensitivity. Combined with plant-derived exosomes proven to reduce wrinkle depth by 11% in 56 days, and Bio-Synthesised Collagen proven to reduce crow's feet wrinkles by 26.7% in four weeks, it delivers results that traditional Vitamin C serums simply cannot match.

Is Exo C Booster suitable for sensitive skin?

Yes. Despite its advanced active ingredient complex, Exo C Booster is formulated with 99.4% natural-origin ingredients and uses a stabilised, gentler form of Vitamin C that does not cause the irritation associated with conventional L-ascorbic acid serums. It is suitable for all skin types including sensitive and reactive skin.

What results can I expect from Exo C Booster and when?

You will notice immediate luminosity from White Mother-of-Pearl from the very first application. With continued daily use, the key ingredients deliver clinically studied results: plant-derived exosomes reduce wrinkle depth by an average of 11% in 56 days, next-generation Vitamin C improves wrinkles by an average of 19.6% in 56 days, and Bio-Synthesised Collagen reduces crow's feet wrinkles by 26.7% in just four weeks. Visible improvements in skin tone, brightness, firmness and texture develop progressively with consistent daily use.

How do I use Exo C Booster?

Apply a few drops to the face, neck and décolleté after cleansing, morning or night, although vitamin C is best applied in the morning. Use alone as a targeted booster, blend with any serum from the Dr Sebagh Serum Bar for a bespoke treatment, or mix directly into your moisturiser, eye cream or SPF to upgrade any product in your routine. It enhances the performance of everything it touches.

Can I use Exo C Booster with retinol?

No. Do not use Exo C Booster at the same time as Retinol Night Repair. Vitamin C and retinol are best used at different times of day, apply Exo C Booster in the morning as part of your antioxidant protection routine, and Retinol Night Repair in the evening. This way you get the full benefit of both without any conflict.

Can Exo C Booster help with pigmentation and dark spots?

Yes. The stabilised Vitamin C in Exo C Booster inhibits melanin production and helps fade existing pigmentation and age spots over time. For enhanced pigmentation correction, use alongside Pure Vitamin C Powder Cream applied directly to dark spots, or follow with Vitamin C Brightening Day Cream SPF15 for added brightening and UV protection during the day.

Is Exo C Booster vegan and cruelty-free?

Yes. Exo C Booster is formulated with 99.4% natural-origin ingredients, is fully vegan-friendly and is never tested on animals.

When in my routine should I apply Exo C Booster?

Use Exo C Booster morning or night, although vitamin C is best applied in the morning. Apply after cleansing and before moisturiser, and before SPF during the day. Its antioxidant complex, stabilised Vitamin C, Ferulic Acid and plant-derived exosomes, works to protect the skin against the UV, pollution and HEV blue light exposure that accumulates throughout the day. For maximum protection, follow with Supreme Day Cream or Vitamin C Brightening Day Cream SPF15.

Can I use Exo C Booster every day?

Yes. Exo C Booster is designed for daily use and delivers the best results with consistent application. Unlike conventional Vitamin C serums that can cause sensitivity with daily use, the stabilised formula is gentle enough for every day without risk of irritation or overuse.

Suitable For

  • Gray circle with a white plus sign in the centerSensitive Skin
  • Gray circle with a white plus sign in the centerAll Skin Types
  • Gray circle with a white plus sign in the centerAll Ages
  • Gray circle with a white plus sign in the centerDull, uneven skin tone

Targets

  • Gray circle with a white plus sign in the centerAnti-Ageing
  • Gray circle with a white plus sign in the centerEnvironmental Defence
  • Gray circle with a white plus sign in the centerLoss of Firmness
  • Gray circle with a white plus sign in the centerRadiance & Luminosity
Exo C Booster
Exo C Booster30ml (Regular) / Go box-free & save! Sale price£61.20 Regular price£68.00
Dr Sebagh Exo C Booster with list of advanced ingredients on a light gray background

Compare With...

Exo C BoosterExo C Booster
  • Next-Generation Exosome Technology

    Plant-derived exosomes deliver clinic-grade regeneration at cellular level.

  • Advanced Stabilised Vitamin C

    A next-gen, gentler form of Vitamin C for maximum efficacy without irritation.

  • Firms, Smooths & Regenerates

    Bio-synthesised collagen and ferulic acid visibly reduce fine lines and wrinkles.

  • Instant & Long-Term Radiance

    Immediate glow from day one, with lasting results within four weeks.

  • Encapsulated Stabilised Vitamin C

    Advanced encapsulation technology preserves full potency until contact with skin.

  • Targets Pigmentation & Dark Spots

    Apply directly to brown spots or mix into your serum/cream for visible fading.

  • Multi-Use Powder Format

    Boost any product in your routine, from SPF to hand cream to body lotion.

  • Brightens & Protects

    Neutralises free radicals and illuminates the complexion for a radiant glow.

  • 5 stars: 22 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
Some of the reviews shown are from related products the merchant grouped with this one.
C
Camilia D.
Insane results with consistent use

I have always been scared to try new products as my skin is so reactive, and would usually breakout very easily. But as I'm now in my 30s, I felt like my skin looked dull and lacked life, so needed a bit of a push. I have been using Exo C Booster for a little over 2 months now, daily, and the results are insane! I actually feel confident leaving the house without makeup now. It's super light, and sinks in the skin instantly! Also a perfect pre-makeup serum before going out in the evenings.

F
Francesca G.o.T.M.
24 Hours to Radiance — The EXO C Miracle

Only one day using the new Exo C Cream by Dr. Sebagh, and people are already commenting on my skin’s glow!
It’s truly a miracle in a jar — that instant luminosity, that velvety richness, and the touch of mother of pearl that makes it so chic. ✨

My skin feels firmer, smoother, and radiantly alive — the kind of luxury only Dr. Sebagh can create.

J
Julie S.
Try mixing with serum for best results

I first started using it on its own as part of my routine and found it felt tacky on my skin even though I was using a very small amount. After checking on the website, I tried mixing it with Serum Repair under Supreme night cream before bed and it works much better. Since doing this, I have noticed a visible difference to the lines on my neck.

C
Caroline H.
Simply the best vitamin C booster I have tried

Simply the best vitamin C booster I have tried. I mix this with the Sebagh Rose serum and it gives my skin an unbelievable glow. My skin has never been so fantastic since I started using the Dr Sebagh products and Exo C serum is a permanent feature in my skin are regime now. Highly recommended !

G
Gentiana B.
Un serum d'exception qui régénére la peau jour après jour

Un serum d'exception qui régénére la peau jour après jour. Je le recommande vivement.

A
Annemarie H.
A luxury vitamin C booster that makes my skin feel fresh and glowy

I’ve recently started using Dr Sebagh Exo C Booster in my morning routine, and I’m really enjoying it so far. It feels light, elegant, and layers nicely under moisturiser and SPF. I’m new to active skincare, so I’ve been using it slowly a few mornings a week, and it gives my skin a fresh, glowy, cared-for feeling without feeling heavy. A lovely luxury vitamin C product.

I
Isabela S.
Great vitamin C serum

Great vitamin C serum.Used for a while now.It is hydrating and my aging spots are fading away.

K
Karen H.
Absolutely love this product

Absolutely love this product, I use it everyday twice a day with the rose de Vie and serum repair.

B
Brigid D.
I have noticed my skin is starting to look brighter and less stressed looking

I have noticed my skin is starting to look brighter and less stressed looking.

A
Anonymous
Absolutely magnificent skin after applying every

Absolutely magnificent skin after applying every time!

O
Ophelia B.
Incredible,

WOW!!!
Never used a product like this. I use this every day and skin has been glowing for months, best purchase I've made.

M
MRS S.F.A.R.
My new go-to!

I love how luminous this makes me! People keep asking what I’ve done to my skin.

C
Customer
Revolutionary

I started using this six weeks ago and I have noticed a real difference in the quality of my skin, in particular the size of my pores and a reduction in pigmentation. Love the feel of it too. It has lasted quite some time and I will definitely be buying this agin.

R
RH
Exceptional

I had read about this product and decided to conduct my own trial. Usually bearded, I shaved to allow for a full and proper result.

After consistent daily use, I was genuinely struck by the transformation—the texture of my skin felt smoother, and there was a visible, healthy glow.

The response from others was immediate. I was constantly complimented and asked what I had done. Most assumed I had undergone something far more invasive—no one believed it was simply down to a skincare product.

This is a game changer!

E
Emily
Fantastic Product - Very Brightening

I naturally have quite dull skin and dark under-eyes and have recently realised this can be brightened using vitamin C products. I tried using the exo C in the evenings before moisturising and have noticed that my skin is noticeably brighter and my under-eyes less blue and much more lively in appearance. This was only after 3 days of using each evenings.

A
Andrew J.
Fantastic

I’ve just received this Serum and from first application I love it. My skins gets a glow and looks much clearer overall. The texture is great & sinks in well. It has a kind of light defusing quality. Plus you get all the benefits of vitamin C

A
Alen S.
I knew it!

I was sure that the new product of Dr. Sebagh would be grate as well! Very effective serum and you don't have to wait long to see the first results!

C
C. L.
Awesome!

This serum looks and feels so special, from its white pearly colour + lovely texture + fragrance, to how it replenishes. My dry skin feels comfortable and firmed up after using this. Make up applies beautifully as well. I've started using this every morning.

L
Linda
Amazing

Love this new product. Now part of my daily routine

C
Cheryl
Absolutely incredible

The Exo C booster serum is absolutely incredible. My skin looks noticeably brighter, smoother and more radiant within days. The serum absorbs beautifully with no stickiness and gives a healthy glow. I have noticed that fine lines have diminished and my complexion looks brighter. A luxurious must have product deserving of it’s five star reviews.

L
Lola R.
The serum I can't skip

This became apart of my routine so quickly - and brought back the brightness and luminosity to my face almost instantly. Everyone thinks I've had Dr sebagh treatment - and they are shocked when I tell them it comes in a bottle. I reach for it every morning now.

T
Tallulah P.
Skin changing

This product is one of the best products I have seen out on the market in a very long time. It makes my skin feel glowy, hydrated and dewy. It is now part of my daily skin routine and I now couldn’t live without it! It truly is an amazing and wonderful product!