Formulated with three science-backed natural ingredients, Hair’inside™ Grape appears as a new natural alternative to improve hair health. Activ’Inside conducted in vitro study to understand the efficacy of Hair’inside™ Grape as a proprietary blend.
This in vitro study suggests that grape seed has strong antioxidant power compared to bamboo extract and selenium yeast. However, together they work synergistically to inhibit reactive oxygen species and may protect hair from oxidative stress.


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EFSA Validated Health & Nutrition ClaimsHealth
- Selenium contributes to the maintenance of normal hair.
- Selenium contributes to the maintenance of normal nails.
- High selenium
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EFSA Pending Claims
- Grape seed supports circulation.
- Grape seed maintains healthy blood vessels & capillary integrity.
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Proprietary Beauty Claims
- 80% of consumers who tested Hair’inside™ Grape noticed shinier hair after 1 month.
- 85% of consumers who tested Hair’inside™ Grape noticed an improvement in hair beauty after 2 months.
- 90% of consumers who tested Hair’inside™ Grape noticed an increase in hair strength after 3 months.
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Proprietary User Satisfaction Claims
- 86% of consumers found that Hair’inside™ Grape works quickly.
- 88% of consumers are satisfied with Hair’inside™ Grape.
- 90% of consumers found Hair’inside™ Grape efficient.
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Proprietary Extra Claims
- Clean label.
- Made in France.
- Proven synergistic mechanism.
- Allergen-free, gluten-free, nanoparticles-free, irradiation-free.
Real-world study on 40 healthy French women aged between 25 and 45 (37 years old on average) with poor hair quality supplemented with 1 capsule per day of 170 mg of Hair'inside™ Grape for 3 months. Women completed self-assessment questionnaires elaborated by a dermatologist, before the supplementation and after 30 days, 60 days and 90 days.
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Hair parametres improvement from baselineGrowth, strength, density, shine, hydration and overall beauty
In total, more than 80% of women perceived an improvement in hair growth, strength, shine, resistance, density, hydration and overall beauty after 3 months of supplementation with Hair’inside™ Grape.
After 3 months of supplementation, all parameters were improved, with:- 52% improvement in hair growth
- 61% improvement in hair strength
- 47% improvement in hair density
- 40% improvement in hair shine
- 51% improvement in hair hydration
- 38% improvement in hair beauty
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Nail parametres improvement from baselineNail growth, hardness and beauty
After 3 months of supplementation, all parameters were improved, with:
- 50% improvement in nails growth
- 49% improvement in nails hardness
- 47% improvement in nails beauty
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Rapidity of action
In terms of rapidity of action, 75% found the product effective after just one month, highlighting the formula's rapid action. 86% of women confirmed it, saying that Hair’inside™ Grape works quickly after three months of supplementation.
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Effectiveness and Satisfaction
After 3 months, the vast majority felt the effects with 90% of women saying it was effective and 88% declaring to be satisfied with the product. 90% of women who already consumed food supplements for hair/nails in the past stated that Hair’inside™ Grape is more effective than its competitors while 85% declared that it acts faster.
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Intent to purchase80% of women expressed the intention to buy the product and 85% of women declared they would recommend the product to a woman with the same hair problems as them.

