How to Remove Sunscreen Stains from Clothes

Sunscreen stains are particularly stubborn and unusual in the stain world. They're not just white residue that rinses out — many sunscreens cause distinctive orange or yellow discoloration that gets worse, not better, after regular machine washing. This happens because most people don't know about the specific chemical reaction involved, and they use the wrong treatment.

Here's why sunscreen stains behave the way they do, and the exact process to remove both the white residue type and the orange/yellow discoloration type.

Why Sunscreen Stains Are Different

Sunscreens contain two types of active ingredients: mineral (zinc oxide, titanium dioxide) and chemical (avobenzone, octocrylene, oxybenzone). The white chalky residue from mineral sunscreens is the simpler type — it's mostly particles and oils. The orange/yellow discoloration problem comes from chemical sunscreens, primarily avobenzone.

Avobenzone reacts with iron ions present in hard water and with chlorine (from pool water or chlorine bleach) to form a rusty orange-brown compound. This compound bonds to fabric fibers. This is why: (1) sunscreen stains often don't appear immediately but show up after washing; (2) chlorine bleach makes orange sunscreen stains significantly worse; (3) the stains often appear on shirts and swimwear that have been worn near pools.

Two Types of Sunscreen Stains and How to Treat Each

Type 1: White or greasy residue stains

These come from the oils and emollients in the sunscreen base, plus mineral sunscreen particles. They appear as white marks or slightly greasy patches on fabric.

Treatment:

1. Scrape off any excess sunscreen with a spoon or dull knife
2. Apply liquid dish soap or liquid laundry detergent directly to the stain — dish soap is excellent for cutting through the oily base
3. Work in gently with a soft toothbrush and let sit 5–10 minutes
4. Rinse with warm water from the back of the fabric
5. Wash normally at the highest temperature safe for the fabric
6. Check before drying

Type 2: Orange or yellow discoloration

This is the chemical reaction stain from avobenzone. It typically shows up on white or light-colored fabrics and is often not visible until after the first wash. These stains require different treatment — and avoiding common mistakes is crucial.

What NOT to do:

• Do not use chlorine bleach — it reacts with avobenzone compounds and intensifies the discoloration
• Do not wash in hot water without pre-treating — this can set the stain further

Treatment for orange/yellow discoloration:

Option A — Enzyme-based stain remover

1. Apply a generous amount of liquid enzyme-based stain remover (Zout, Carbona Stain Devils #9, or similar) to the stained area
2. Work in gently and let sit for 15–30 minutes (or up to several hours for old stains)
3. Wash in warm water (not hot) with regular detergent
4. Check before drying; repeat if any discoloration remains

Option B — OxiClean oxygen bleach soak

1. Dissolve OxiClean (or another oxygen-based cleaner) in warm water according to package instructions
2. Soak the garment for 1–6 hours — longer for old or set stains
3. Wash normally with regular detergent
4. Check before drying; repeat soak if needed

Oxygen bleach (sodium percarbonate) is safe for most fabrics and colors, and it's the right tool for avobenzone stains without the intensification risk of chlorine bleach.

Option C — For very stubborn old stains (white fabrics only)

1. Apply white vinegar directly to the stain and let sit 30 minutes — the acid helps break down mineral and chemical deposits
2. Apply an enzyme stain remover on top of the vinegar-treated area
3. Let sit another 15 minutes
4. Wash in warm water
5. Check before drying; repeat if needed

Sunscreen Stains on Swimwear

Swimwear is particularly vulnerable to sunscreen staining because it's worn with sunscreen applied, often in and out of chlorinated pool water — exactly the conditions that trigger avobenzone reactions. Additional considerations for swimwear:

• Rinse swimwear in cold water immediately after wearing — before it dries — to remove as much sunscreen as possible before it reacts
• Use cold water for swimwear wash — lycra and spandex in swimwear break down in hot water
• Avoid the dryer for swimwear — heat damages elastic fibers
• Soak in OxiClean and cool water rather than the warm-water soak recommended for other fabrics

Preventing Sunscreen Stains

• Let sunscreen absorb fully before dressing — most transfer happens in the first few minutes after application. Waiting 10–15 minutes significantly reduces transfer to fabric.
• Use mineral sunscreen on white or light clothing days — zinc oxide and titanium dioxide don't cause the avobenzone reaction. They're more likely to leave white residue but won't cause the persistent orange discoloration.
• Rinse garments in cold water immediately after use — especially swimwear. Cold water rinse before drying removes much of the sunscreen before the avobenzone can react with iron ions during washing.
• Apply sunscreen to skin before putting on white clothes — particularly for collars and necklines. The contact at the neck area is where most sunscreen shirt staining occurs.

Can You Remove Old, Set Sunscreen Stains?

Sometimes. If the stain has been through the dryer, it's partially set — but avobenzone stains that haven't been treated with bleach can still respond to OxiClean soaking. Try: soak in warm water OxiClean solution for 6–8 hours, then wash. Repeat up to 3 times. If the stain has been treated with chlorine bleach previously, the reaction product is very difficult to reverse.

Frequently Asked Questions

Why do sunscreen stains turn orange?

The orange color comes from a chemical reaction between avobenzone (a common UV-blocking chemical in sunscreen) and iron ions found in hard water or chlorine. This reaction creates rust-colored compounds that bond to fabric fibers. The reaction often happens during washing rather than immediately on application, which is why the stain can appear to worsen or only appear after the first wash.

Does vinegar remove sunscreen stains?

White vinegar can help with both types of sunscreen stain — it cuts through the oily base and helps break down mineral deposits. For the orange avobenzone stain, vinegar alone isn't sufficient; it works best as a pre-treatment step before applying an enzyme stain remover or OxiClean.

What removes sunscreen from a white shirt?

For white residue: dish soap pre-treat and warm wash. For orange discoloration: OxiClean soak (do NOT use chlorine bleach). For white shirts, oxygen bleach is safe and effective without the risk of intensifying the stain.

How do you get sunscreen off a bathing suit?

Rinse in cold water immediately after wearing. For stains: soak in cool-water OxiClean solution (avoid hot water for swimwear fabric). Wash on delicate in cold water. Air dry — no dryer for swimwear. Avoid chlorine bleach, which both worsens the stain and degrades swimwear elastic.

Why does bleach make sunscreen stains worse?

Chlorine bleach reacts with avobenzone to form additional colored compounds, intensifying the orange-brown discoloration rather than removing it. This is a well-documented chemical reaction. Always use oxygen-based bleach (OxiClean, sodium percarbonate) instead for sunscreen stains.

The Bottom Line

Sunscreen stains split into two categories: greasy/white residue (treated with dish soap and warm washing) and orange/yellow discoloration (treated with OxiClean or enzyme stain remover — never chlorine bleach). The most important rule: always check the stain is gone before drying. And remember that chlorine bleach will make orange sunscreen stains permanently worse.

See also: how to remove sweat stains and how to remove red wine stains.