It is a blend of plant extracts, glycine and zinc salt used in hair and eyelash care.

Can you use eyelash serum with contact lenses?

Follow the product's instructions regarding contact lenses.

Redensyl

Ingredient blend for daily lash care

Moderate evidence: clinical studies

Written by ECOOKING Research (R&D) · Updated 20.10.2026

At a glance

Suits: Lashes and hair
Pairs well with: Capixyl, Widelash

Read our guide to Redensyl

How it works

Redensyl is a blend of ingredients containing larch wood and green tea extracts, the amino acid glycine and zinc salt. The blend is included in our eyelash serum.

On the ingredient list, you will find the components as Larix Europaea Wood Extract, Glycine, Zinc Chloride and Camellia Sinensis Leaf Extract.

How to use it

Apply eyelash serum along the lash line in the evening, following the product instructions.
Avoid getting it in your eyes.

Frequently asked questions

Sources

The source is a randomised trial involving 54 men on scalp hair, in which Redensyl was investigated alongside other ingredients and treatments.^[1]

A Comparative Study of Topical Procapil With Platelet-Rich Plasma Therapy Versus Topical Redensyl, Saw Palmetto, and Biotin With Platelet-Rich Plasma Therapy in the Treatment of Androgenetic Alopecia (Cureus, 2023)