Oral Sialic Acid Product Beauty Efficacy Test
Assessment and Comparison on 3 Groups of 25 Human Beings of the Effect on the Cutaneous State, the Dermis Echogenicity, the Moisturizing Effect, the Depigmenting Effect, the Effect on the Biomechanical Properties and the Effect on Wrinkles, Color and Homogeneity and Pigmentary Spots of Cosmetic Product N°1 vs Cosmetic Product N°2 vs Placebo After Oral Intake in Conditions of Normal Use During 28, 56 and 84 Days: Self-assessment of the Cosmetic Qualities and Efficacy
Aperçu de l'étude
Statut
Statut
Les conditions
Les conditions
Intervention / Traitement
Intervention / Traitement
Type d'étude
Type d'étude
Inscription (Réel)
Inscription
Contacts et emplacements
Lieux d'étude
-
-
Hubei
-
Wuhan, Hubei, Chine, 430071
- COSderma China Laboratory (Wuhan, China)
-
-
Critères de participation
Critère d'éligibilité
Critère d'éligibilité
Âges éligibles pour étudier
- Adulte
- Adulte plus âgé
Accepte les volontaires sains
Méthode d'échantillonnage
Population étudiée
La description
Inclusion Criteria:
- Skin type origin: Asian in China
- Age: from 40 to 65 years old
- Gender: female
Specific criteria:
• All skin type on the face Dry, dry combination, normal
presenting with a lack of elasticity to the face, inclusion grade
≤ 6 according 10 points scale
- presenting with a lack of density to the face, inclusion grade ≤ 6 according 10 points scale
- presenting with wrinkles on crow's feet area, grade ≥ 2 according to Skin ageing atlas Vol.2 (p.41)
- presenting with pigmentary spots with at least one with diameter ≥ 3mm
- Usual or occasional user of food supplements
- Able to give her informed consent
Exclusion Criteria:
The non-inclusion general criteria were the following ones:
- allergies or reactivity to cosmetic products,
- for the subjects undergoing hormonal treatment; change of treatment within 3 months preceding the inclusion visit,
- expectation of change in the current hormonal treatment during the study,
- anti-allergic, antibiotic, anti-inflammatory, dermatological treatment or corticosteroid therapy within 2 weeks before the inclusion visit,
- having a chronic pathology,
- performing or prevision to perform another test during the study or during the exclusion period,
- employee of the COSderma laboratory,
- pregnant or breast-feeding woman,
- woman not taking precaution to prevent pregnancy.
The non-inclusion specific criteria were the following ones:
- application of care products to the face within 48 hours preceding the inclusion visit,
- application of make-up products to the face the day of the inclusion visit,
- face wash with any other means than clear water (no soap or cleanser) on the day of the inclusion visit,
- application of self-tanning products to the face within 4 weeks preceding the inclusion visit,
- Oral intake of food supplement within 1 month preceding the inclusion visit,
- cutaneous marks on the face which could interfere with the skin's clinical signs assessment (pigmentation issues, scar tissues, over-developed hairiness, too many ephelides and naevi, sunburns...),
- solar exposition (natural sun or UVA or heliotherapy treatment) within 4 weeks preceding the inclusion visit and expectation of solar exposition (natural or UVA) during the study,
- Vitamin A acid treatment or its derivatives within 3 months preceding the pre-inclusion visit,
- Retinoid based oral treatment within 6 months before the pre-inclusion visit, or local treatment within 2 months prior to this visit,
- Carotene based treatment within 4 weeks preceding the inclusion visit,
- expectation or having undergone aesthetic or dermatological surgery on the face.
Plan d'étude
Comment l'étude est-elle conçue ?
Détails de conception
Nombre de groupes / cohortes
Cohortes et interventions
Groupe / CohorteGroupe / Cohorte |
Intervention / TraitementIntervention / Traitement |
|---|---|
|
Group A
placebo
|
Oral placebo once daily for 84 consecutive days
|
|
Group B
N-acetylneuraminic acid
|
Oral N-acetylneuraminic acid, once daily, for 84 consecutive days
|
|
Group C
ACAI-PLUS
|
Oral ACAI-PLUS, once a day, for 84 consecutive days
|
Que mesure l'étude ?
Principaux critères de jugement
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
Skin clinical scores
Délai: Day0、Day28、Day56、Day84
|
Dermatologists use a 10-point scale (0-9) and Volume 2 of the Atlas of Skin Aging for visual/tactile assessment.
(includes elasticity, firmness, crow's feet, under-eye wrinkles, facial sagging, skin tone radiance, moisturization)
|
Day0、Day28、Day56、Day84
|
Mesures de résultats secondaires
Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
|---|---|---|
|
Self-assessment by subjects
Délai: Day0、Day28、Day56、Day84
|
Subjects self-rated using a 10-point scale (0-9).
(includes skin beauty, visibility of wrinkles, skin tone evenness, radiance, firmness)
|
Day0、Day28、Day56、Day84
|
|
Dermal echo parameters
Délai: Day0、Day28、Day56、Day84
|
Using Dermcup® high-frequency B-mode ultrasound scanning (25 MHz probe) to obtain dermal echo parameters
|
Day0、Day28、Day56、Day84
|
|
Color and clarity of spots
Délai: Day0、Day28、Day56、Day84
|
Dermatologists use Pantone color cards to score the color and clarity of spots
|
Day0、Day28、Day56、Day84
|
|
Wrinkles, skin tone uniformity, and spots
Délai: Day0、Day28、Day56、Day84
|
COSderma Photobench photography + Newtone software analysis to obtain information on wrinkles, skin tone uniformity, and spots
|
Day0、Day28、Day56、Day84
|
|
Stratum corneum moisture index
Délai: Day0、Day28、Day56、Day84
|
Corneometer® CM825 capacitance measurement method to obtain Stratum corneum moisture index
|
Day0、Day28、Day56、Day84
|
|
Biomechanical properties of the skin
Délai: Day0、Day28、Day56、Day84
|
DTM310 Diastron® torque meter obtains information on skin biomechanical properties
|
Day0、Day28、Day56、Day84
|
|
Freckle removal effect
Délai: Day0、Day28、Day56、Day84
|
Siascope V® spectrophotometric intradermal analysis obtains information on freckle removal effects
|
Day0、Day28、Day56、Day84
|
|
Self-assessment of cosmetic quality and efficacy
Délai: Day28、Day56、Day84
|
By distributing 12 questionnaires to the subjects, self-assessment information on the quality and effectiveness of cosmetics was obtained.
A four-point Likert scale was used (Agree, Somewhat Agree, Somewhat Disagree, Disagree), and the questionnaire content included: 1. Skin feels better; 2. Skin becomes fairer; 3. Pigmentation on the skin lightens or decreases; 4. Skin becomes radiant; 5. Skin becomes more elastic; 6. Skin is firmer than before; 7. Skin wrinkles and fine lines improve; 8. Skin becomes moisturized/hydrated; 9. Skin's oil-water balance is better; 10.
Skin looks rejuvenated, full of energy; 11.
Sleep improves after consumption; 12. Memory improves after consumption.
|
Day28、Day56、Day84
|
Collaborateurs et enquêteurs
Parrainer
Parrainer
Collaborateurs
Collaborateurs
Dates d'enregistrement des études
Dates principales de l'étude
Début de l'étude (Réel)
Début de l'étude
Achèvement primaire (Réel)
Achèvement primaire
Achèvement de l'étude (Réel)
Achèvement de l'étude
Dates d'inscription aux études
Première soumission
Première soumission
Première soumission répondant aux critères de contrôle qualité
Première soumission répondant aux critères de contrôle qualité
Première publication (Réel)
Première publication
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
Dernière mise à jour publiée
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière mise à jour soumise répondant aux critères de contrôle qualité
Dernière vérification
Dernière vérification
Plus d'information
Termes liés à cette étude
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
Autres numéros d'identification d'étude
- SECCR/2022-132-01
Informations sur les médicaments et les dispositifs, documents d'étude
Étudie un produit pharmaceutique réglementé par la FDA américaine
Étudie un produit d'appareil réglementé par la FDA américaine
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