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From puberty to menopause, your ovaries naturally produce certain hormones: estrogen and progesterone. These hormones are called sex hormones, which means they play an important role in reproduction and your menstrual cycle.
Their levels influence the appearance of the skin throughout your life. Your body undergoes hormonal upheavals that result in many changes to your skin.
When it comes to your skin, progesterone acts by increasing the production of sebum, while estrogens stimulate the production of collagen, elastin, and hyaluronic acid, making your skin more supple and moisturised.
During the first half of your cycle, estrogen dominates, while in the second half, the progesterone hormones take over.
These hormones act via receptors, which have complementary forms. These receptors are unevenly distributed on the surface of the skin: the face is the richest area and therefore the one most affected by hormonal changes.
Discover the first periodic serums
4 serums to respond to each week of the menstrual cycle, regardless of skin type:
Week 1: moisturising and soothing serum
Week 2: radiance and suppleness serum
Week 3: moisturising and astringent serum
Week 4: mattifying and anti-blemish serum
Farage, M. A., Neill, S., & MacLean, A. B. (2009). Physiological Changes Associated with the Menstrual Cycle. Obstetrical & Gynecological Survey
Muizzuddin, N., Marenus, K. D., Schnittger, S. F., Sullivan, M., & Maes, D. H. (2006). Effect of systemic hormonal cyclicity on skin. International Journal of Cosmetic Science