ScienceResearch · Tolerance · Efficacy
Skinscience
At the core is modified hyaluronic acid – in its own form in every product, developed for sensitive skin.
01Developed for sensitive skinEvery formula is designed to be well tolerated – including by sensitive and atopic skin.
02Latest hyaluronic acidsModifications from current research, each with its own product-specific effect.
03FermentationHighly tolerated, efficient actives obtained through fermentation.
04Dermatologically testedAll products were tested by Dermatest under dermatological supervision.
01 — Hyaluronic acidOrigin: France, near the Swiss border
Traditionalvs. modified
Both bind up to a thousand times their weight in water. The modification gives hyaluronic acid an additional, targeted task.
Traditional hyaluronic acid
Modified hyaluronic acid
Moisture
Binds water.Binds water – plus an additional effect per product.
When rinsed off
Is mostly washed away.Up to 95% stays on the skin. Cleansing Gel
Firming
Cares, but does not firm immediately.Visibly firmer within 6 hours. Serum
At NICOLETTE
—Its own form in every product.
02 — Molecular sizeFive products, three sizes
Sizematters
Small moleculeswork in deeper layers of the skin.
Large moleculesform a moisture film on the surface.
Cleansing Gel, Serum and Eye Serum are all low molecular weight. Their different effects come from the modification, not the size.
Low molecularMediumHigh molecular
03 — User studiesDermatest · 2024–2025
What the skinconfirms
Each product was tested individually under dermatological supervision – on normal, sensitive and atopic skin. At the end, all participants rated the effect by questionnaire.
30 participants · 6 weeks · 2× daily
Hyaluronic Cleansing Gel
97%
feel their skin is smoother.*
93%
rate skin tolerance as good.*
87%
rate the product as good overall.*
20 participants · 4 weeks · 2× daily
Hyaluronic Serum
100%
rate skin tolerance as good.*
100%
would recommend the serum.*
90%
confirm a refined, well-cared-for complexion after 28 days.*
20 participants · 4 weeks · 2× daily
Hyaluronic Face Cream
90%
report improved moisture after 28 days.*
80%
feel their skin is firmer.*
80%
see a more even, refined complexion.*
20 participants · 4 weeks · 2× daily
Hyaluronic Nourishing Cream
100%
say their skin looks healthy and strengthened.*
95%
report improved moisture.*
80%
feel their skin is more regenerated.*
21 participants · 4 weeks · 2× daily
Hyaluronic Eye Serum
95%
find the texture light and airy.*
91%
describe the care as refreshing and cooling.*
86%
feel the skin around the eyes is smoother.*