Jul 31 • Give Advice
Hormone-Disrupting Chemicals in Sunscreens
Why chemical filters like oxybenzone are more dangerous than you think.
Common Chemical UV Filters to Avoid-
- Oxybenzone
- Avobenzone
- Octinoxate
- Homosalate
- Octocrylene
These chemicals are absorbed through the skin and have been detected in blood, urine, and even breast milk — sometimes days or weeks after a single use.
How They Disrupt Hormones - Check to see if this correlates with a known Health Condition of yours or someone You love.
Oxybenzone
- Acts like a xenoestrogen (a synthetic compound that mimics estrogen)
- Can bind to estrogen receptors, throwing off hormone balance
- Linked to lower testosterone in adolescent boys
- Associated with endometriosis, fertility issues, and earlier puberty in women
Avobenzone
- Degrades quickly in sunlight unless stabilized with other chemicals (like octocrylene)
- Can form reactive oxygen species that damage cells and DNA
- Disrupts the thyroid axis, affecting metabolism and energy regulation
Octinoxate
- Mimics estrogen and can interfere with progesterone and testosterone
- Alters signaling in the hypothalamic-pituitary-gonadal (HPG) axis
- Shown in animal studies to cause reproductive system disruption
Others (like Homosalate & Octocrylene)
- Linked to androgen suppression (lowering DHEA and testosterone)
- Disrupt thyroid and adrenal hormone production
- Increase oxidative stress and inflammation in the body
These are not just “inactive ingredients.”They're bioactive, endocrine-disrupting, and often unregulated in terms of long-term human exposure.
Even small, repeated exposures can add up — especially for children, teens, and women already dealing with hormone imbalances.
Do you know of someone that uses lots of Sunscreen or regularly that suffers from any of these?
In Women - Endometriosis, PCOS, early puberty, fertility issues
Hormone-sensitive cancers (e.g., breast, uterine)
In Men - Lower T levels, Delayed puberty in boys, Reduced sperm quality and count
In Children & Babies - Neurodevelopmental issues, Birth defects / developmental delays, Immune dysregulation
Thyroid disorders (hypothyroidism, Hashimoto’s)
Adrenal dysfunction / burnout
Obesity & metabolic syndrome
Autoimmune diseases
Many of the above
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Hormone-Disrupting Chemicals in Sunscreens
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