• Ingredient
  • Sourcing
  • Science
  • Recommended dose, claims & application
  • Consumers insights

Ingredient

INCI

Fragaria vesca leaf extract

Composition

  • Total polyphenols (Folin-Ciocalteu) ≥ 20%
  • Flavonoids (rutin equivalent, 358nm) ≥ 3%

Description

Extracted from organic strawberry leaves, Fresh’Ka® refines and smooths skin texture. The complexion is brightened with gentleness thanks to its action on tyrosinase. Skin is soft and complexion recovers its radiance.

Dosage form or appearance

Brown powder extract

Sourcing

Organic strawberry leaves are sourced from certified organic farms in western France, a region recognized for its rich, fertile soils and mild climate. Local growers cultivate strawberries using organic referential that prioritize soil health and biodiversity, strictly avoiding synthetic chemicals and pesticides. The careful management of these family-run farms reflects a tradition of environmentally responsible agriculture in Pays de la Loire and Auvergne regions. Harvesting is done by hand to ensure the best botanical quality and to preserve the integrity of each leaf. This fully organic approach guarantees an authentic ingredient, traceable from field to finished product, and ideally suited for high-quality formulations.

Science

Proprietary preclinical studies

-Brightening activity (in tubo):
Its ability to inhibit tyrosinase activity, a key enzyme involved in skin pigmenttaion, was assessed in tubo, which demonstrated dose-dependent tyrosinase inhibitory activity. This demonstrates that Fresh’Ka® combats hyperpigmentation and helps maintain an even skin tone, thus brightening and illuminating the skin.

-Anti-aging activity (in vitro):
An in vitro  study was conducted on human dermal fibroblasts treated with Fresh’Ka® in order to evaluate the MMP-1 and TIMP-1 secretion. After 48 hours of treatment, secreted protein profiling demonstrated that it reduces key aging proteins, by decreasing MMP-1 synthesis and increasing TIMP-1, its inhibitor, helping to prevent the first signs of aging.

Clinical study

A trial evaluating skin brightness and texture, performed by a dermatologist using a non-invasive method, was carried out on 20 women with a dull complexion and/or dilated pores. The women applied a cream containing 0.5% Fresh’Ka® to their faces twice daily for 28 days. After 28 days, the results showed that Fresh’Ka® had effectively improved skin radiance and refined skin texture.

Recommended dose, claims & application

Recommended dose

  • 0.5%
  • Incorporation in oily phase

Claims

  • Smoothes the skin by reducing first fine lines and refining the skin’s texture
  • Inhibits tyrosinase, the key enzyme involved in the production of melanin, helping to lighten and brighten the skin’s complexion

Application

  • Facial care products for dull skin
  • Anti-aging products
  • Unifying skincare

Consumers insights

After 28 days of using a cream containing 0.5% Fresh’Ka® :

– 90% of volunteers found their complexion is more even

– 80% of volunteers found their skin is brighter

– 9 out 10 people felt their skin is toned, firmed, smoother and less rought

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