Healthline. https://www.healthline.com/health/beauty-skin-care/order-of-skin-care#morning-routine
Diakses pada 25 Agustus 2020Verywell Health. https://www.verywellhealth.com/astringent-vs-toner-4151988
Diakses pada 25 Agustus 2020Verywell Health. https://www.verywellhealth.com/should-i-use-a-toner-15596
Diakses pada 25 Agustus 2020Derm Collective. https://dermcollective.com/how-to-use-toner/#how_to_apply_toner
Diakses pada 25 Agustus 2020Derm Collective. https://dermcollective.com/what-does-toner-do/
Diakses pada 10 Desember 2020Skin Kraft. https://skinkraft.com/blogs/articles/face-toner
Diakses pada 10 Desember 2020