The objective of this study is to determine the efficacy of four topical products to improve facial skin longevity over an eight-week use period utilizing analysis of images and self-perception questionnaires.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Enrollment
132
The topical product will be applied twice daily (morning and night).
The topical product will be applied twice daily (morning and night).
The topical product will be applied twice daily (morning and night).
Princeton Consumer Research Corp.
Winnipeg, Manitoba, Canada
Product Acceptance
Product Acceptance will be evaluated via questionnaire (measurement tool) responses after eight weeks of product use (time frame) and quantified as a single percentage score (unit of measure=%; minimum value=0%; maximum value=100%) so higher scores (closer to 100%) represent better Product Acceptance. Participants will respond to 12 closed questions by ticking one of four predefined options: -2=Fully disagree; -1=Rather disagree; 1=Rather agree; 2=Fully agree. For each question, every participant's response will be categorized as "disagree" (scores -2, -1) or "agree" (scores 1, 2). The percentage of participants that respond "agree" will be calculated (\[number of "agree" responses/total number of responses\]\*100%), yielding one overall "agreement" value (unit of measure = %) for each of the 12 questions. Product Acceptance will be calculated by averaging the 12 overall "agreement" values. Clear product acceptance will be determined if the Product Acceptance score is at least 70%.
Time frame: 8 weeks
Skin wrinkles
Three-dimensional facial images will be taken with Phaseshift Rapid In vivo Measurement Of the Skin (PRIMOS) at baseline, week 4, and week 8 and will be analyzed for skin wrinkle size (unit of measure is millimeters).
Time frame: 8 weeks
Haut AI Facial Analysis
High resolution digital facial VISIA images will be taken of right side, left side and front of the face with VISIA® CRP-GEN 5 at baseline, week 4, and week 8. The front face image will be analyzed by Haut AI for overall facial age health score (scale of 0 to 100, in which higher score represents better outcome).
Time frame: 8 weeks
Self-perceived product traits
Subjective evaluation of 12 product traits assessed via questionnaire after 4 and 8 weeks. Product traits will be assessed by the subjects with a list of closed questions with the following predefined identical options to tick: -2 = Fully disagree; -1 = Rather disagree; 1 = Rather agree; 2 = Fully agree. Self-perceived product trait will be calculated for each of the 12 product traits independently. For each trait, total percentages resulting in at least 80% agreement will represent a clear level of agreement and opinion of the panel. Frequencies between 70% to 80% will represent a high level of agreement. Less than 70% agreement will represent constrained and undecided agreement.
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The topical product will be applied twice daily (morning and night).
Time frame: 8 weeks
Adverse Events
Time frame: 8 weeks