Why Hormones Affect Women’s Hair

Hair loss in women is common, but it happens differently than in men. Instead of bald spots, women usually notice thinner hair all over or a wider part. Hormones play a big part in this process. Knowing how they work helps women care for their scalp in a healthy way and worry less when changes happen.

Estrogen and progesterone are the main female hormones that keep hair growing longer and stronger. When these levels drop after pregnancy, during menopause, or due to stress, hair may shed more easily [1]. This change is called telogen effluvium. It often improves once the body’s hormones balance again, which can take several months.

Even though these changes can be upsetting, most women find that their hair recovers when their hormone levels stabilize and their scalp stays healthy. It is a normal, natural cycle that nearly all women experience at some point.

Many people are surprised to learn that women also have testosterone in their bodies. It is completely normal and important for energy, bone health, and mood. In small amounts, it helps the body function well.

However, when testosterone converts to another form called DHT, some women’s hair follicles may become sensitive to it. DHT can make strands thinner and shorter over time [2]. This gradual thinning is known as female pattern hair loss. It usually affects the top or crown rather than the hairline.

Learning that these hormone changes are natural can ease worry. Having some testosterone does not mean you will lose your hair. It only becomes a concern when follicle sensitivity and other factors, like stress or inflammation, make the scalp less balanced.

Scalp care makes a big difference. A healthy scalp helps follicles grow stronger hair. Hydrating serums, like those made with hydrogel formulas, form a light layer that locks in moisture and helps deliver nutrients more evenly. This supports the scalp’s natural balance without irritation.

Early studies show that a molecule called 2-Deoxy-D-Ribose (2DDR) may help hair cells make more energy, which could help follicles stay active longer. Research on 2DDR is still in early stages, but the science looks promising for gentle, non-drug hair regrowth support [3]. Promising products such as Deoxylocks 5% 2DDR hydrogel are already helping women strengthen thinning hair all without harsh chemicals or side effects!

Maintaining balanced nutrition, reducing stress, and using mild scalp products can all help protect against further thinning. Together, these small steps can make a visible difference over time.

This article was medically reviewed by the Deoxylocks Clinical Team, composed of our board-certified physician medical director and Advanced Practice Provider team with expertise in preventive medicine.