Will Makeup Melt in a Hot Car? The Ultimate Guide

will makeup melt in a hot car

Hey there, makeup enthusiasts! If you’re like us, you love rocking that flawless face beat. But have you ever wondered what happens to your beloved makeup when it’s subjected to the scorching heat of a hot car? Fear not, dear readers, because in this comprehensive guide, we’ll dive deep into the melting point of makeup and equip you with all the knowledge you need to keep your cosmetics looking fabulous.

1. Understanding the Melting Point of Makeup

What is Melting Point?

The melting point is the temperature at which a solid substance transforms into a liquid. When it comes to makeup, different ingredients have different melting points.

Types of Makeup and Melting Points

Lipstick: The melting point of lipstick can range from 45°C (113°F) to 80°C (176°F). Cream-based lipsticks tend to melt more easily than matte ones.

Eyeliner: Eyeliners come in various types, such as liquid, pencil, and gel. The melting point can vary depending on the type, but generally ranges from 25°C (77°F) to 55°C (131°F).

Mascara: Most mascaras have a melting point between 40°C (104°F) and 60°C (140°F). However, waterproof mascaras may have a higher melting point.

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2. Impact of Temperature on Makeup

Extreme Heat

Exposure to extreme heat, such as the sun or a hot car, can cause makeup to melt, smudge, or discolor. This is because the temperature exceeds the melting point of the ingredients.

Moderate Heat

Even moderate heat can affect makeup, especially if it’s left in a car for an extended period. The heat can cause the oil in the makeup to separate, leading to a clumpy or oily appearance.

3. How to Prevent Makeup Meltdown

Park in the Shade

If possible, park your car in the shade to avoid excessive heat exposure. This is the most effective way to prevent makeup from melting.

Use a Sunshade

Investing in a sunshade for your car can significantly reduce the temperature inside. It acts as a barrier, deflecting the sun’s rays and keeping your makeup cool.

Carry a Mini Fridge

For makeup addicts on the go, a mini fridge is a lifesaver. It can keep your cosmetics at a constant cool temperature, preventing them from melting even on the hottest days.

4. Tips for Travelling with Makeup in Hot Weather

Store Makeup in a Cool Bag

An insulated makeup bag with an ice pack can help keep your cosmetics cool while you’re travelling. Make sure to store it in a shaded area of the car.

Use Travel-Sized Products

Consider using travel-sized makeup products to minimize the risk of melting. They’re also easier to transport and store in a cool bag.

5. Repairing Melted Makeup


If your lipstick melts, gently blot it with a tissue to remove the excess. Re-apply a fresh layer and blot again. You can also use a lip liner to define your lips.

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If your eyeliner smudges, use a cotton swab and makeup remover to gently wipe it away. Reapply a new layer and avoid rubbing your eyes.


If your mascara clumps or smudges, try using a mascara brush to separate the lashes. You can also use a setting spray to help hold the mascara in place.

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