Guinot Double Concentré Slim & Firm works synergistically for a visibly resculpted figure
A body innovation from Guinot, the Double Concentré Slim & Firm combines two formulas highly concentrated in active ingredients, brought together in a single bottle to work in perfect synergy.
During the day, the Slimming Concentrate supports the body during its active phase to limit fat storage and refine contours.
At night, the Firming Concentrate takes advantage of the resting phase to improve firmness and reinforce skin elasticity.
Its fluid texture penetrates very quickly without leaving a greasy film. Its light fragrance makes daily application pleasant. A true expert treatment, it can be used alone or as a “body serum” under your usual slimming cream, such as Slim Thermic+, to optimize results.
Focus on the Double Concentré Slim & Firm
Key active ingredients of the Double Concentré Slim & Firm
Day Slimming Concentrate
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Slim’Age: helps combat age-related lipo-aging by slowing down the increase in fat storage capacity.
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Cellulysium: promotes lipolysis, limits lipogenesis, and helps reduce the appearance of orange peel skin.
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Ginger Extract: stimulates skin drainage to visibly resculpt the silhouette.
Night Firming Concentrate
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Firm Sculpt (caffeine-based complex): contributes to slowing down lipid storage while improving skin tone.
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Alaria Esculenta Extract: promotes collagen and elastin synthesis for smoother, firmer, and more toned skin.
Results obtained
After 15 days:
- Contours are refined
- Silhouette appears resculpted
- Skin is more toned
After 1 month - slimming:
- -2.1cm off waist circumference*
- -1.8cm off hip circumference*
- -2.3cm off saddlebags**
- -1.6cm off thigh circumference*
After 1 month - firmness:
- +59.3%: waist***
- +69.4%: hip****
- +69.3%: saddlebags****
- +73.7%: thigh****
*Measurements taken using a tape measure on a panel of 10 subjects after twice-daily application for 1 month
**Measurements taken using a tape measure on a panel of 13 subjects after twice-daily application for 1 month
***Measurement using a cutometer, on a panel of 12 subjects with twice-daily application for 1 month.
****Measurement using a cutometer, on a panel of 13 subjects with twice-daily application for 1 month.
Why choose Double Concentré Slim & Firm?
- Expert dual action: slimming by day, firming by night
- High concentration of active ingredients
- Works synergistically with your usual body care products
- Light texture, rapid absorption
- Subtle and pleasant fragrance
- Ideal for a 1 to 2 month treatment
- One bottle lasts approximately 1 and a half months depending on use
Application tip: In the morning, apply the Slimming Concentrate to dry skin, on the areas to be refined (waist, hips, thighs) with circular massages until fully absorbed.
In the evening, apply the Firming Concentrate to the same areas to support skin tone and elasticity during the resting phase.
Can be used alone or before your slimming cream for a "booster" effect.
Our Kallista advice: To optimize results, apply with an upward dynamic massage to stimulate microcirculation. During the day, combine it with Slim Thermic+ to enhance the slimming action and maximize fat burning.
> What are the delivery times?
Delivery times are calculated from the date the order is shipped and are expressed in business days, excluding Saturdays, Sundays, and holidays.
Any order placed before 1:00 PM Monday through Friday is shipped the same day. Orders placed after 2:00 PM on Friday through Sunday evening are shipped the following day or on Monday.
We do our best to deliver your order within 2 to 5 business days via Colissimo or Mondial Relay, whichever you prefer.
> How can you track your order?
As soon as your package is handed over to the carrier, you’ll receive a shipping confirmation email with your tracking number. You’ll then be able to track its progress from the time it leaves our facility to your delivery location.
> What are the shipping costs in France?
Shipping is free to a pickup point for orders of €49 or more and to your home for orders of €69 or more.
Any order over 130€ must be signed for upon delivery.
To learn about the different shipping methods available and their rates, visit our Shipping in France page.
> Shipping in Europe
The brands and products available for delivery may vary depending on your country.
Visit our Shipping in Europe page to learn about the terms, delivery times, and shipping costs applicable to your destination.
Shipping costs for Europe start at €4.90. They are calculated automatically when you enter your information in the shopping cart during checkout.
> How do I make a return?
You can easily return your product within 14 days. You’ll then have the option to exchange it or receive a refund.
To make a return, please contact customer service directly at bonjour@institut-kallista.com or submit a request through your customer account.
A return fee of €4.90 may apply depending on the reason for your return.
