“…Other studies have analyzed the willingness of consumers to participate in experimental clinical treatments aiming to identify treatment preferences for specific conditions through a couple of approaches: (1) Investigate the availability of patients or consumers that would use treatments to prevent or reduce the incidence of skin diseases such as psoriasis and actinic keratosis, considering attributes and efficacy levels (percentage of improvement in skin appearance and reduction of skin cancer risk), intensity, duration, and severity of secondary reactions Kopasker et al [15]; (2) analyze the commercial availability of cosmetic treatments with different attributes, including the function (restore wrinkled skin, reduce pore size, treat acne dots and spots, skin moisturizer), presentation (ointment, cream, lotion), packaging (pump-style, tube, jar, ampoule), and price [16].…”