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Why Does Sunscreen Turn Hair Pink?

Published in Hair Sunscreen 2 mins read

Sunscreen can turn hair pink because of a chemical reaction with a specific ingredient.

The Culprit: Avobenzone

The main reason some sunscreens cause hair to turn pink or a brassy color is due to avobenzone. This is an oil-soluble ingredient commonly found in sunscreens that can react with certain hair types or treatments, causing discoloration. According to the provided reference, avobenzone creates a chemical reaction that results in a pink or peachy tint, especially noticeable in hair extensions.

How Sunscreen Causes Hair Discoloration

  • Chemical Reaction: Avobenzone can react with minerals, hard water deposits, or other chemicals present in hair, leading to a color shift.
  • Hair Treatments: Hair that has been chemically treated, like color or perms, may be more prone to this reaction.
  • Sunlight Exposure: Exposure to sunlight can exacerbate the reaction, making the pink tone more pronounced.

Types of Hair Affected

  • Light-colored hair, especially extensions, is particularly susceptible.
  • Chemically treated hair may react more strongly.

Prevention and Solutions

To avoid sunscreen-induced pink hair:

  • Check Sunscreen Ingredients: Look for sunscreens that do not contain avobenzone.
  • Wear a Hat: Protect your hair by wearing a hat when in the sun.
  • Apply Sunscreen Carefully: When applying sunscreen, try to avoid contact with your hair.
  • Consider Mineral Sunscreen: Mineral sunscreens with zinc oxide or titanium dioxide are often a safer alternative.

Sunscreen and Hair Discoloration Explained

Factor Explanation
Primary Ingredient Avobenzone, an oil-soluble ingredient, is the primary cause of pink discoloration.
Reaction Type A chemical reaction between avobenzone and hair, sometimes enhanced by hard water or minerals.
Affected Hair Often hair extensions or chemically treated hair.
Prevention Choose avobenzone-free sunscreens, wear hats, apply sunscreen carefully, or opt for mineral sunscreens.

By understanding why sunscreen can cause hair to turn pink, you can take preventative measures and keep your hair looking its best.