Ki'Leaft®

The kiwi leaves come from a committed supply chain in Dordogne, France, a region known for its organic orchards supported by a cooperative. This cooperative brings together passionate growers who prioritize responsible management of natural resources and respect for living ecosystems. Located in an area where biodiversity contribute to healthy plant growth, the cooperative guarantees full traceability of the sourcing. This collective organization helps highlight an authentic natural ingredient, originating from certified organic agriculture and recognized local expertise, ideally suited for premium cosmetic formulations that emphasize quality, sustainability, and transparency.

Proprietary preclinical studies

-Antioxidant effect (in tubo):
Its antioxidant capacity was assessed, in tubo, in a DPPH assay, which demonstrated dose-dependent free radical neutralisation. This demonstrates that Ki’Leaft® has the capacity to protect cells against oxidative stress.

-Renewal effect & skin barrier improvement (ex vivo):
The renewal and skin barrier improvement effects of Ki’Leaft® were evaluated on skin explants treated with Ki’Leaft® versus the basal level for five days with daily topical application. These studies demonstrate Ki’Leaft®’s ability to regulate a set of 9 proteins involved in skin healing and 13 proteins involved in skin barrier and structure, thereby improving skin renewal and barrier function by modulating the key components involved in these two biological processes.

Clinical studies

-Immediate tightening effect, self-assessment by volunteers:
Ki’Leaft® was tested at 2% in a randomized, double-blind, placebo-controlled trial on 22 women with visible signs of aging. Using FOITS technology, skin deformation was measured before and 5 minutes after application, alongside self-assessments at 5 minutes and 1 hour. Results showed an immediate lifting effect with a noticeable tightening sensation.

-Immediate moisturizing effect, self-assessment by volunteers:
A randomised, double-blind, placebo-controlled trial was conducted to test the efficacy of Ki’leaft® at a concentration of 2%. The trial involved 33 women with very dry to dry-combination skin. Skin hydration rates were measured using corneometry before and 30 minutes after application, and the participants completed a self-assessment after 28 days of use. The results showed that Ki’leaft® provides an immediate moisturizing effect and a long-lasting moisturized feeling.

Recommended dose

2%

Claims

• Immediate firming and tightening effect on the skin
• Helps skin regeneration by improving and stimulating skin renewal
• Improves the skin’s barrier function and structure
• Antioxidant properties
• Improves skin moisture

Application

• Facial care
• Anti-aging face creams, anti-aging lotions
• Creams for sensitive skin
• Facial make-up creams

1 hour after applying a cream containing 2% Ki’Leaft®:
– 73% of volunteers found that Ki’leaft tightened and firmed their skin*,
– 77% found that it provided a lifting effect*

After 28 days of use of a cream containing 2% Ki’Leaft®:
– 80% of volunteers felt that their skin was moisturized**.

*Randomized, double-blind, placebo-controlled trial with 22 women evaluating the immediate tightening effect of 2% Ki’Leaft®.
**Randomized, double-blind, placebo-controlled trial with 33 women evaluating the moisturizing effect of 2% Ki’Leaft®.