How to Remove Sunscreen Stains from Clothes

Every summer we receive a steady stream of swim rashguards, light linen shirts, and white polo tops at our Maple Ridge facility with the tell-tale orange-yellow marks of sunscreen exposure. These stains catch many customers off guard because the garment looks fine immediately after application — the discolouration develops later, often after washing and drying, which is when the heat has set it in. Understanding why this happens makes the treatment approach much clearer.

Why Sunscreen Stains Are Different

Sunscreen stains are unusual because they can be two completely different types of stain, and they often need to be treated separately.

The first type is oily residue from the sunscreen base — the lotion, cream, or oil carrier that delivers the active ingredients. This behaves like any grease stain and responds to dish soap and surfactant-based treatment.

The second type is discolouration from the active UV-filtering compounds. Chemical sunscreens containing avobenzone are notorious for turning fabric yellow or orange when the compound oxidises after contact with water, sweat, and air. Mineral sunscreens can behave differently — their metal oxide ingredients can produce rust-like marks on some fabrics. These colour stains require an acid-based treatment rather than a grease treatment.

Treating the Oily Component

If the stain is fresh or obviously greasy, start here. Apply a small amount of dish soap directly to the mark, work it in gently with your fingers, and leave it for a minimum of 30 to 60 minutes before washing. This step is the same as any oil or grease treatment — you are using a surfactant to emulsify the carrier oil and allow it to rinse free.

After washing, inspect the garment. If no discolouration remains, you are done. If the fabric has turned yellow or orange, the oily residue is gone but the oxidised chemical compounds remain — move to the acid treatment.

Treating Yellow or Orange Discolouration

Dampen the affected area, apply white vinegar or lemon juice generously, and cover the area with salt. The salt helps draw the treatment into the fabric and concentrate the acid on the mark. Leave it for several hours — overnight is ideal for deep or older discolouration.

Rinse thoroughly and rewash. For stubborn marks, a laundry rust remover (oxalic acid-based product) can be more effective than vinegar, particularly for stains that have already been through the dryer once.

One Important Drying Rule

Do not dry hydrogen peroxide-treated items in direct sunlight. The UV energy supercharges the peroxide reaction and can cause uneven bleaching or unexpected yellowing of the fabric. Always air dry peroxide-treated garments indoors or in full shade.

Similarly, never put a sunscreen-stained garment in the dryer until you are certain the stain is gone. Heat accelerates the oxidation process that causes the discolouration and can permanently bond the compounds to the fabric fibres.

Summer Kit That Keeps Coming Back

We see this pattern every year: a customer's favourite white polo or swim shirt develops orange patches that get worse over the summer. The best prevention is to let sunscreen absorb into your skin before dressing, and to wash sun-exposed clothing promptly. But when stains do appear, the earlier you treat them the better your results will be.

The Laundry Brothers offers wash & fold and dry cleaning pickup across Greater Vancouver, seven days a week. See service areas →