What the Study Found

A recent study by Silent Spring Institute, published in Environment & health (February 11), examined 43 hair extension products.

Products tested included synthetic hair, human hair, braiding hair, and eyelash extensions.

Researchers detected 900+ chemicals, but only 169 could be identified.

Over 80% of the chemicals were not listed in scientific safety databases.

Nearly every sample contained at least one chemical linked to cancer.

Around 10% contained organotins (plastic stabilizers) above european safety limits.

🚨 Major health Concerns

Chemicals found include organotins, phthalates, styrene, and acrylonitrile.

Linked health risks:

Skin and scalp irritation

Itching, rashes, and allergic reactions

Hormonal imbalance

Increased cancer risk

Fertility issues and uterine fibroids

Early puberty in children

Obesity and nervous system effects

Endocrine-disrupting chemicals may worsen fibroid risk, especially in frequently exposed users.

👩🏾 Who Is Most Affected?

The report highlights higher usage among Black women.

Over 70% wear hair extensions at least once a year.

Many keep extensions installed for weeks, increasinglong-term chemical exposure.

Uterine fibroids are already more common in Black women, raising additional concern.

🔥 Heat Styling Risks

Using hot water or heat tools on extensions can release toxic gases.

Short-term effects:

Eye, nose, and throat irritation

Headaches

Long-term exposure may contribute to serious illnesses.

🏭 industry Safety Gaps

Beauty industry regulations for hair extensions are limited.

Many brands do not fully disclose chemical ingredients.

Consumers may unknowingly data-face repeated exposure.

✅ Safer Choices

Two tested products showed no harmful chemicals (often more expensive).

Washing extensions with apple cider vinegar may reduce surdata-face chemicals, but safety is not guaranteed.

Experts advise:

Limit frequent use

Avoid excessive heat styling.

Demand ingredient transparency from companies

Choose safer, certified alternatives when possible.

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