Agency
What the research has measured in these assets
Figures from published clinical studies on the active ingredient and concentration tested. These are not data on the use of NydraShop products, nor do they guarantee the same result.
0%
of the participants improved
0.1% retinaldehyde, twice daily for 3 months.
Kwon HS et al. — J Cosmet Dermatol, 2018 · N=40 · PubMed 29663701 · PubMed 29663701
0%
in vitro inhibition
Niacinamide stops melanosome transfer, not just their production.
Hakozaki T et al. — Br J Dermatol, 2002 · PubMed 12100180 · PubMed 12100180
0%
of objective improvement
More hydration and finer texture with 0.1% retinaldehyde.
Kwon HS et al. — J Cosmet Dermatol, 2018 · PubMed 29663701 · PubMed 29663701
0%
less skin aging
With daily sunscreen use for about 4.5 years, compared to occasional use (903 adults, randomized trial).
Hughes MC et al. — Ann Intern Med, 2013 · N=903 · public funding · PubMed 23732711
0%
a water-resistant coating remains after cleaning with oil
With the foaming cleanser, it was 36.8%, and washing with only water, 59.3% (20 volunteers).
Chen W et al. — J Cosmet Dermatol, 2020 · N=20 · PubMed 31157512
0h
it takes time for the skin to restore its pH
The skin’s average pH is around 4.7, and tap water (pH ≈ 8) raises it for about 6 hours (330 people).
Lambers H et al. (Sara Lee Household & Body Care) — Int J Cosmet Sci, 2006 · N=330 · PubMed 18489300
0week
It takes a while for sensitivity to sunlight to return to normal
After 4 weeks using 10% glycolic acid, the skin became more sensitive to UV rays; one week after stopping, there were no longer any differences (randomized trial, 29 people). With AHA exfoliants, always use sunscreen.
Kaidbey K et al. — Photodermatol Photoimmunol Photomed, 2003 · N=29 · PubMed 12713551
0
molecular weights reduced wrinkles
Creams with 0.1% hyaluronic acid: all improved hydration and elasticity, but only the 50 and 130 kDa creams reduced wrinkle depth (76 women, 60 days).
Pavicic T et al. — J Drugs Dermatol, 2011 · N=76 · PubMed 22052267
0mg/cm²
it's what you actually apply as sunscreen in real life
The SPF on the label is measured using 2 mg/cm², but under normal conditions, much less is applied, and the actual protection decreases significantly. Authors' tip: apply before exposure and reapply once within the first hour.
Petersen B and Wulf HC (University of Copenhagen) — Photodermatol Photoimmunol Photomed, 2014 · review · PubMed 24313722
0women
used 5% niacinamide on half the face for 12 weeks
Compared to the cream without niacinamide on the other half of the face: fewer fine lines, dark spots, redness, and yellowing, and more elasticity (double-blind).
Bissett DL et al. (Procter & Gamble) — Dermatol Surg, 2005 · N=50 · PubMed 16029679
0weeks
of the use of a filtration of the secretion (the "slime") of the snail Cryptomphalus aspersa
Wrinkles around the eyes improved compared to the placebo on the other half of the face (25 people). The participants did not notice a difference in their skin quality. It is the secretion of a specific snail, different from the snail mucin in other creams.
Fabi SG et al. — J Drugs Dermatol, 2013 · N=25 · double-blind · branded ingredient (SCA®, Cantabria Labs) · PubMed 23652894
0 %
of salicylic acid did not increase sun sensitivity
In 14 people, after 3.5 weeks, 10% glycolic acid did increase sensitivity to solar radiation (redness, DNA damage, and sunburn cells), while 2% salicylic acid produced no significant changes.
Kornhauser A et al. (FDA) — J Dermatol Sci, 2009 · N=14 · PubMed 19411163
