The cosmetic industry has discovered the positive effects of warming and cooling.
Heat optimizes the absorption of cream and serum
Park JH, Lee JW, Kim YC, Prausnitz MR. The effect of heat on skin permeability. Int J Pharm. 2008 Jul 9;359(1-2):94-103. doi: 10.1016/j.ijpharm.2008.03.032. Epub 2008 Mar 29. PMID: 18455889; PMCID: PMC2464624.
Szunerits S, Boukherroub R. Heat: A Highly Efficient Skin Enhancer for Transdermal Drug Delivery. Front Bioeng Biotechnol. 2018 Feb 15;6:15. doi: 10.3389/fbioe.2018.00015. PMID: 29497609; PMCID: PMC5818408.
Shahzad Y, Louw R, Gerber M, du Plessis J. Breaching the skin barrier through temperature modulations. J Control Release. 2015 Mar 28;202:1-13. doi: 10.1016/j.jconrel.2015.01.019. Epub 2015 Jan 20. PMID: 25616160.
Jung EC, Zhu H, Zou Y, Elmahdy A, Cao Y, Hui X, Maibach HI. Effect of ultrasound and heat on percutaneous absorption of l-ascorbic acid: human in vitro studies on Franz cell and Petri dish systems. Int J Cosmet Sci. 2016 Dec;38(6):646-650. doi: 10.1111/ics.12350. Epub 2016 Jul 28. PMID: 27380114.
Skin Icing exfoliates the skin and reduces pore size
https://www.byrdie.com/skin-icing-how-this-chilly-facial-beautifies-skin-2442895
Cooling can slow aging and boosts skin cell turnover
https://www.cosmopolitan.com/style-beauty/beauty/a8074174/cooling-skin-care-products/
Contrasting temperature boosts circulation
Miyaji A, Hayashi S, Hayashi N. Regional differences in facial skin blood flow responses to thermal stimulation. Eur J Appl Physiol. 2019 May;119(5):1195-1201. doi: 10.1007/s00421-019-04109-6. Epub 2019 Feb 28. PMID: 30820660.
Cooling calms the skin
Oono Y, Wang K, Atiş ES, Arendt-Nielsen L. Thermal application modulates orofacial somatosensory perception in healthy men and women. Clin Neurophysiol. 2013 Mar;124(3):581-8. doi: 10.1016/j.clinph.2012.08.025. Epub 2012 Oct 1. PMID: 23036183.
Contact cooling improves skin tightening
Chan HH, Yu CS, Shek S, Yeung CK, Kono T, Wei WI. A prospective, split face, single-blinded study looking at the use of an infrared device with contact cooling in the treatment of skin laxity in Asians. Lasers Surg Med. 2008 Feb;40(2):146-52. doi: 10.1002/lsm.20586. PMID: 18306155.
https://stylecaster.com/beauty/how-to-make-pores-smaller/
Cold temperatures on skin can reduce redness of pimples and irritations
https://www.byrdie.com/skin-icing-how-this-chilly-facial-beautifies-skin-2442895
Ice on skin reduces signs of aging
https://www.healthshots.com/beauty/natural-cures/a-dermatologist-explains-why-rubbing-ice-on-your-face-daily-can-give-you-flawless-skin/
Cold compresses can reduce dark circles under the eyes
https://www.healthline.com/health/dark-circle-under-eyes#fa-qs
Reduce Swellings by cooling down the eye area
https://www.healthline.com/health/swollen-eyes-from-crying#remedies-for-puffy-eyes
Puffiness can be reduced by cooling the eye area
https://www.healthline.com/health/swollen-eyes-from-crying#remedies-for-puffy-eyes