Leaf TV.
https://www.leaf.tv/articles/what-are-the-benefits-of-hair-gel/
Diakses pada 21 April 2020Leaf TV.
https://www.leaf.tv/articles/how-does-hair-gel-work/
Diakses pada 21 April 2020Leaf TV.
https://www.leaf.tv/articles/how-to-keep-your-hair-laid-down-without-using-gel/
Diakses pada 21 April 2020Leaf TV.
https://www.leaf.tv/articles/alternatives-to-hair-gel/
Diakses pada 21 April 2020Petal Fresh.
https://petalfresh.com/top-benefits-of-using-hair-gel/
Diakses pada 21 April 2020Poison.org
https://www.poison.org/articles/hair-styling-products-eye-skin-scalp-irritation-173
Diakses pada 21 April 2020
https://soundhealthsolution.com/hair-gels-are-they-really-bad-for-your-hair/