Dermatologist Dr Dray on the worst skin care advice on the Internet. Bad skin care advice and bad skin care trends from 2020.

A.R. Young, J. Narbutt, G.I. Harrison, K.P. Lawrence, M. Bell, C. O’Connor, P. Olson, K. Grys, K. Baczynska, M. Rogowski‐Tylman, H.C. Wulf, A. Lesiak, P.A. Philipsen. Optimal sunscreen use, during a sun‐holiday with a very high UV index, allows vitamin D synthesis without sunburn. British Journal of Dermatology, 2019; DOI: 10.1111/bjd.17888
Lawrence KP, Douki T, Sarkany RPE et al. The UV/visible radiation boundary region (385‐405 nm) damages skin cells and induces β€œdark” cyclobutane pyrimidine dimers in human skin in vivo. Sci Rep 2018; 8:12722.
Albert M Kligman, MD; Petrolatum is not comedogenic in rabbits or humans: A critical reappraisal of the rabbit ear assay and the concept of β€œacne cosmetica”; J. Soc. Cosmet Chem., 47, 41-48 (Jan/Feb 1996)
Bogaty H, Dunlap FE. Matting of hair. Arch Dermatol. 1970;101:348–51
Maduri et al. “Castor Oil” – The Culprit of Acute Hair Felting. Int J Trichology
. Jul-Sep 2017;9(3):116-118. doi: 10.4103/ijt.ijt_22_17.
Fischer LB, Berman B. Contact allergy to sulfonated castor oil. Contact Dermatitis. 1981 Nov;7(6):339-40. doi: 10.1111/j.1600 0536.1981.tb04100.x.

0:00 Intro
0:16 You need to exfoliate
1:36 SPF lowers vitamin D
3:20 Castor oil grows hair
5:22 Shaving makes hair thicker
6:05 Vaseline clogs pores
7:52 Mix retinol with moisturizer
9:29 Shampooing daily is bad
11:06 You don’t need SPF indoors
13:39 Natural is better
14:57 Only people with “good skin” should give advice
17:45 Outro

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Disclaimer: This video is not intended to provide diagnosis, treatment or medical advice. Content provided on this Youtube channel is for informational purposes only. Please consult with a physician or other healthcare professional regarding any medical or health related diagnosis or treatment options. Information on this Youtube channel should not be considered as a substitute for advice from a healthcare professional. The statements made about specific products throughout this video are not to diagnose, treat, cure or prevent disease.


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