Mild but effective skin cleansing—Evaluation of laureth-23 as a primary surfactant / Anja Dick in INTERNATIONAL JOURNAL OF COSMETIC SCIENCE, Vol. 46, N° 3 (06/2024)  

[article]  inINTERNATIONAL JOURNAL OF COSMETIC SCIENCE > Vol. 46, N° 3 (06/2024) . - p. 403-413 Titre : Mild but effective skin cleansing—Evaluation of laureth-23 as a primary surfactant Type de document : texte imprimé Auteurs : Anja Dick, Auteur ; Hermann Josef Stolz, Auteur ; Flora Karla Sonsmann, Auteur Année de publication : 2024 Article en page(s) : p. 403-413 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Barrière cutanée Dermo-cosmétologie Evaluation Formulation (Génie chimique) Ingrédients cosmétiques Peau -- Nettoyage Peau -- Physiologie Surfactants Index. décimale : 668.5 Parfums et cosmétiques Résumé : - METHODS : In this study, the potential of laureth-23 as a primary surfactant was evaluated and compared to other fatty alcohol ethoxylates (FAEO). Also, different laureth-23 surfactant combinations were compared to each other. Therefore, transepidermal water loss, erythema and visual scoring were measured after occlusive patch testing in 24 healthy subjects (aged 18–55). Afterwards, the results were ranked from low to high irritant potential and an irritation score was calculated. Furthermore, the cleaning performance was tested using an automated cleansing device in 10 healthy subjects (aged 18–55). - RESULTS : The results confirmed the low irritant potential of laureth-23 and blends thereof. Within the different laureth-23 surfactant combinations, the combination of laureth-23 with a mild amphoteric and a mild anionic surfactant was superior to other laureth-23 surfactant combinations like laureth-23/anionic/anionic regarding skin compatibility as well as cleaning performance. - CONCLUSION : In conclusion, laureth-23 showed very good performance as a primary surfactant. Especially, the combination of laureth-23, cocamidopropyl betaine and disodium laureth sulfosuccinate was mild to the skin while also showing good cleansing performance. Note de contenu : - MATERIALS AND METHODS : Test substances and reference substances - Atopic cleanser (AC) - Sodium lauryl sulfate (SLS) - Paste-like model dirt (type ‘used oil’) - Occlusive patch testing - Cleaning studies - Statistical analysis - RESULTS : Erythema - Epidermal barrier - Irritation score (IRS) - Cleaning factor (CF) DOI : https://doi.org/10.1111/ics.12940 En ligne : https://drive.google.com/file/d/1PZEGG10mO7GxbzZxqnUC-0uOjNUukBtS/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=41342 [article]

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