Dermatologists unite to end skin booster chaos!

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Inclusion Criteria Experts will be eligible to participate if they meet all of the following: Board-certified dermatologist or aesthetic physician With recognized qualification in dermatology, aesthetic medicine, plastic surgery, or related fields. Minimum clinical experience At least 5 years of experience performing aesthetic injectable procedures. OR at least 3 years of consistent use of skin boosters in clinical practice. Demonstrated expertise in skin booster therapy Must have performed ≥100 skin booster procedures overall, OR ≥20 sessions per year over the past 2 years. Active clinical practice Currently practicing in an aesthetic or dermatology clinic, medical center, or hospital. Authorship or contribution to aesthetic/dermatology education (desirable but not mandatory) Publications, lectures, workshop instruction, or conference involvement in aesthetics. Ability to participate in Delphi rounds Must agree to complete all survey rounds within the specified timeframe. Must be fluent in the language used for the study (e.g., English or Arabic). Willingness to provide informed consent Voluntary participation with confidentiality maintained. Exclusion Criteria: * Less than the required experience \<5 years of aesthetic practice OR insufficient hands-on experience with skin booster injections. Limited familiarity with skin booster products or techniques No regular use in the last 2 years. Has not performed the minimum number of required procedures. Industry conflict of interest Direct employment by a company manufacturing skin booster products. Significant financial relationship with a single product manufacturer that may bias responses. Inability to commit to multiple Delphi rounds Anticipated non-compliance or non-response in iterative rounds. Non-clinical or administrative professionals Those not actively practicing (e.g., retired, research-only positions, students, trainees). Participation in a competing guideline project Experts currently serving on another skin booster consensus panel to avoid duplication or bias. Failure to provide informed consent Declines participation or withdraws consent at any time.