His professional
https://www.hsiprofessional.com/blogs/tips-tricks/what-is-a-hair-mask-and-what-does-it-do
diakses pada 7 April 2020Healthline
https://www.healthline.com/health/beauty-skin-care/hair-mask-for-dry-hair#oils
https://www.healthline.com/health/how-to-use-hair-mask#benefits
diakses pada 7 April 2020Stylecraze
https://www.stylecraze.com/articles/simple-steps-to-apply-hair-masks/
Diakses pada 7 April 2020