Healthline. https://www.healthline.com/health/dry-oily-skin
Diakses pada 2 Mei 2020Health. https://www.health.com/beauty/best-moisturizers-for-combination-skin?slide=455874#455874
Diakses pada 2 Mei 2020The Healthy. https://www.thehealthy.com/beauty/face-body-care/combination-skin-rules//
Diakses pada 2 Mei 2020Derm Collective. https://dermcollective.com/skin-care-routines-for-combination/
Diakses pada 2 Mei 2020Beauty Bay. https://www.beautybay.com/edited/skincare-routine-combination-skin/
Diakses pada 2 Mei 2020Stylecraze. https://www.stylecraze.com/articles/how-to-take-care-of-combination-skin-our-top-10-tips/
Diakses pada 25 Oktober 2020