
15% Vitamin C + Rose Hydrogel Illuminating Double Serum – Reboost Glow
Daily radiance with antioxidant support built in
1.0 fl oz I 30 ml
Collection — Reboost Glow
Collection
Also in the Reboost Glow Brightening Duo, save 15%
Also available in a set
Reboost Glow Brightening Duo
Skincare Brightening Routine
Dull skin, dark spots and an uneven tone? This luxurious double serum pairs 15% pure vitamin C with two antioxidant-rich berries, organic cloudberry and Estonian lingonberry, plus organic rose water, for skin that looks brighter, more even and visibly firmer in just four weeks.
Why you'll love it
- Visibly fewer dark spots. 15% pure vitamin C, a powerful antioxidant, brightens dull, tired-looking skin and evens out tone. In an independent instrumental study, the look of dark spots was reduced by 23% after 4 weeks.
- Firmer, smoother-looking skin. After 4 weeks of use, skin looked 10% firmer, fine lines looked softer and skin felt more elastic.
- The power of wild berries. Organic cloudberry and Estonian lingonberry, both naturally rich in vitamin C, help keep skin looking fresh, radiant and healthy every day.
- Calm, hydrated comfort. Organic rose water and plant sugars deliver intense hydration, soothe and calm the look of redness, while organic jojoba oil leaves skin soft and nourished.
- Best for: dull, uneven or tired-looking skin; all skin types
- Natural origin: 100%
- Certified: Ecocert COSMOS Natural, vegan, made in Estonia on 100% renewable energy
- Size: 1.0 fl oz (30 ml)

Pairs with
Smooth & Bright Eye Cream
$60.00
The skin around your eyes is the thinnest on your face, so it's where fine lines, dryness and fatigue show...
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Each ingredient independently verified. No synthetic alternatives. No proprietary blends that obscure what you are actually applying.
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Biotech Actives15% Pure Vitamin C
Brightening, antioxidant and radiance active
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Estonian & Nordic HeritageSaaremaa Lingonberry
Lingonberry Extract
Anthocyanin antioxidant that soothes and calms the look of redness
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Estonian & Nordic HeritageNordic Cloudberry
Cloudberry Extract
Arctic superfruit — nourishing antioxidant
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Floral WatersRose Water
Classic hydrosol, tones, hydrates and calms
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Botanical OilsOrganic Jojoba Oil
Skin-like wax ester that moisturizes with a light, silky feel
All ingredients independently verified · ECOCERT COSMOS Organic · Made in Tallinn, Estonia
Clean is a word. ECOCERT is an audit.
JOIK is independently certified by ECOCERT — a European third-party body that audits every ingredient, every formula, and every manufacturing process annually. This is not a brand claim. It is a documented standard, renewed every year.
Ingredient Sourcing
Every raw material verified for organic origin. No synthetic pesticides, GMOs, or petrochemicals permitted at any stage.
Formulation Standards
No parabens, no synthetic fragrances, no silicones. Every formula reviewed and approved by ECOCERT auditors before production.
Manufacturing Controls
One factory in Tallinn, Estonia. 100% renewable energy. Annually inspected. Estonia ranks #1 globally on the Environmental Performance Index.
Ecocert Organic Certified Formulations
Certified organic formulations
No Synthetics, No Silicones
Free from synthetics and petroleum derivatives
Vegan
No animal derived ingredients
!00% Recyclable Packaging
Mono-material, designed for recyclability
Airless Pump Protection
Sealed from air - Use every last drop
FAQ
Questions about 15% Vitamin C + Rose Hydrogel Illuminating Double Serum – Reboost Glow
What does the JOIK Reboost Glow 15% Vitamin C + Rose Hydrogel Illuminating Double Serum do?
The JOIK Reboost Glow 15% Vitamin C Double Serum brightens dull, tired-looking skin and evens out tone. It pairs 15% pure vitamin C with two Nordic berries, organic cloudberry and Estonian lingonberry, plus organic rose water, for skin that looks brighter, more even and visibly firmer in four weeks.
What results can I expect from the JOIK 15% Vitamin C Double Serum?
In an independent instrumental study, the JOIK Reboost Glow 15% Vitamin C Double Serum reduced the look of dark spots by 23% after 4 weeks. Over the same period, skin looked 10% firmer, fine lines looked softer and skin felt more elastic, for a brighter, more even-looking complexion.
How do I use the JOIK Reboost Glow 15% Vitamin C Double Serum?
Shake the JOIK Reboost Glow 15% Vitamin C Double Serum well to activate its dual-phase formula, then apply it to clean skin morning and evening, massaging over the face and neck. Follow with moisturizer, and in the morning finish with daily sunscreen. A patch test is recommended before first use.
Which skin types suit the JOIK Reboost Glow 15% Vitamin C Double Serum?
The JOIK Reboost Glow 15% Vitamin C Double Serum suits all skin types, especially dull, uneven or tired-looking skin. Organic rose water and plant sugars deliver intense hydration and calm the look of redness, while organic jojoba oil keeps skin soft and nourished. Because its vitamin C concentration is high, patch test first.
Is the JOIK Reboost Glow 15% Vitamin C Double Serum vegan and natural?
Yes, the JOIK Reboost Glow 15% Vitamin C Double Serum is vegan and COSMOS Natural certified by Ecocert, with 100% natural-origin ingredients. Made in Estonia on renewable energy, it features organic cloudberry and Estonian lingonberry, both naturally rich in vitamin C, to help keep skin looking fresh, radiant and healthy every day.
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