34
UpToDate: Photoaging. uptodate.com/contents/photoaging.
35
Australian College of Dermatologists: Cosmeceuticals. dermcoll.edu.au/atoz/cosmeceuticals.
36
Munirah Yaacob et al. Powered versus manual toothbrushing for oral health. Cochrane Database Syst Rev 2014, PMID: 24934383.
37
Scott A. Deacon et al. Different powered toothbrushes for plaque control and gingival health, Cochrane Database Syst Rev 2010, PMID: 21154357.
38
Marsha A. Voelker et al. Catalogue of Tooth Brush Head Designs. J Dent Hyg 2013, PMID: 23986328.
39
American Dental Association: Toothbrushes. ada.org/en/member-center/oral-health-topics/toothbrushes.
40
American Dental Association. MouthHealthy: Toothbrushes. mouthhealthy.org/en/az-topics/t/toothbrushes.
41
Wainwright J. et al. An analysis of methods of toothbrushing recommended by dental associations, toothpaste and toothbrush companies and in dental texts. Br Dent J 2014, PMID: 25104719.