proDERM Institute for Applied Dermatological Research, Hamburg, Germany, 2010
Objective: To assess the efficacy of Bio-Oil in improving the appearance of scars.
Sample: 36 female participants of varying ethnicities and aged 18-65. Scar ages: newly formed to 3 years old. Scar locations: abdomen, leg, arm, neck, knee, trunk, upper body.
Method: Double-blind, randomized, parallel group. Subjects had matching scars or scars large enough to allow half-half scar application and intra-subject comparison. Product applied twice daily for 8 weeks, no additional massaging performed on the target area. Application performed under supervision at regular intervals. Assessments conducted at 0, 2, 4 and 8 weeks. Different scar parameters as defined in the Patient and Observer Scar Assessment Scale (POSAS) were evaluated.
Result: Bio-Oil is efficacious in improving the appearance of scars. A statistically significant result after only 2 weeks (day 15), evident in 66% of subjects. After 8 weeks (day 57) 92% of subjects showed an improvement, with the extent of the improvement almost triple that at 2 weeks. A continuous improvement of POSAS over the duration of the study.
Full Trial pdf