Skin Diligent is a French dermo-cosmetic company co-founded in 2021 in Paris by Tule Park. The company develops skincare products and food supplements focused on applications of epigenetics[1] and exosome technology within the cosmetics industry.[2][3]

History

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The company was established in 2021. Its operations are categorized within the "longevity beauty" sector, a subset of the beauty industry aimed at addressing biological mechanisms associated with cellular aging.[4] In its founding year, the brand was named "Best New Disruptor Brand" at the Pure Beauty Awards.[5]

In 2023, Skin Diligent won the "Age Well Skincare" category at the Health & Wellbeing Awards.[6] In November 2024, co-founder Tule Park was awarded the "Graine d’Achiever" prize at the Cosmetic Executive Women (CEW) Achiever Awards.[7]

Between 2025 and 2026, the company was named a finalist for several scientific and industry awards, notably at the Innocos Beauty & Longevity Awards and the Innovation Awards of the IMCAS World Congress for its research on CEL™ (Cellular Epigenetic Longevity) technology.[8][9]

Concept and formulation

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Skin Diligent manufactures serums, creams, and nutritional supplements. The brand's formulations rely on epigenetic science and encapsulation technologies, a method that has been reviewed in French publications such as L'Express and Marie Claire.[1][10]

The company also implements a screening process to test its formulations for estrogenic endocrine disruptors. This practice has been noted as part of a broader shift toward increased safety testing within the cosmetics industry.[11]

References

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