4. The method according to
claim 1, wherein the subject is diagnosed with an increased risk for acne scarring when the subject scores at least 3.95 points according to the following scale:
(i) almost clear acne—0 points,
(ii) mild acne—0 points,
(iii) moderate acne—0 points,
(iv) severe acne—8.90 points,
(v) very severe acne—8.90 points,
(vi) no family history of acne scarring—0 points,
(vii) a family history of acne scarring—4.60 points,
(viii) a duration of acne of ≤1 year—0 points,
(ix) a duration of acne of >1 year—3.46 points,
(x) never squeeze and pick acne lesions—0 points,
(xi) rarely squeeze and pick acne lesions—0 points,
(xii) sometimes squeeze and pick acne lesions—0 points,
(xiii) frequently squeeze and pick acne lesions—3.05 points, and
(ix) all the time squeeze and pick acne lesions—3.05.