Table 1

Uncertainties identified by 200 or more respondents to the harvesting survey

 Number (%) of related submissions from
 Patients/ family membersProfessionalsAll respondentsIn final top 10
1Which physical therapies, including lasers and other light based treatments, are safe and effective in treating acne?573 (35)34 (5)607 (27)Yes
2Are cosmetic remedies for spot prone skin as effective as their makers claim them to be?439 (27)8 (1)447 (20)No
3Which complementary and alternative therapies are safe and effective in treating acne?356 (22)7 (1)363 (16)No
4What is the best treatment for acne scars?324 (20)32 (5)356 (16)Yes
5What is the best topical product for treating acne?266 (16)55 (8)321 (14)Yes
6What is the correct way to use antibiotics in acne to achieve the best outcomes with least risk?159 (10)121 (19)285 (12)Yes
7What dietary advice should be given to people with acne?255 (16)14 (2)269 (12)Yes (merged with 9)
8What should a consultation for acne involve?169 (10)63 (10)236 (10)No
9Which lifestyle factors influence acne severity the most?203 (12)31 (5)234 (10)Yes (merged with 7)
10What is the correct way to use oral isotretinoin in acne in order to achieve the best outcomes with least risk?105 (6)125 (19)230 (10)Yes
11What is the best skin care routine for people with acne?186 (11)21 (3)209 (9)No
12Does diet affect who gets acne or how severe it is?150 (9)54 (8)204 (9)No