Last updated on August 26, 2026 by Jess Healey
Originally published on August 5, 2019

Your face doesn’t have to get all the fun.

This DIY cooling leg mask is one of my favorite kinds of skincare recipes: simple, a little unexpected, and made entirely for the experience of slowing down and giving an often-forgotten part of your skin some attention.

The original version of this recipe appeared on Pronounce years ago, but I’ve since simplified and reworked it. This updated version combines French green clay, finely ground Dead Sea salt, colloidal oatmeal, dried peppermint, and vegetable glycerin to create a creamy rinse-off mask that gently exfoliates and leaves legs feeling soft and smooth.

It’s especially lovely when your legs are feeling dry or rough, or when you simply want an excuse to sit still for ten minutes before rinsing everything off and following with your favorite moisturizer.

No elaborate five-step leg routine required. 😉

Bowl of cooling leg mask with mixing utensil and squeezed lemon - Pronounce Skincare and Herbal Boutique

Why Make a Mask for Your Legs?

We tend to put a lot of thought into the skin on our faces while the skin on our legs gets…soap, a razor sometimes, and whatever body lotion happens to be nearby. 😂

A leg mask is simply another way to approach body care. This one combines absorbent clay with gentle exfoliating ingredients and glycerin, then rinses away before you moisturize.

The goal isn’t to “detox” your skin, erase sun damage, or fix anything. It’s much simpler than that: a little exfoliation, a little skin-softening care, and a really nice reason to slow down for a few minutes.

And because we’re using dried peppermint rather than relying on a heavy essential-oil blend, the recipe keeps some of the fresh, cooling personality of the original without making the formula unnecessarily complicated.

Key Ingredients (and Why They’re Here)

French green clay forms the base of this leg mask and gives it its thick, spreadable texture. Like other cosmetic clays, it can absorb oils and moisture from the skin’s surface and provides a gentle cleansing experience as the mask is rinsed away.

This is also one of those ingredients I’ve used in DIY skincare for years. If you want another way to put it to work, try my DIY Detox Face Bar.

Colloidal oatmeal is simply oats that have been processed into a very fine powder so they disperse easily in water and skincare preparations. Here, it helps soften the feel of the clay-and-salt mixture and gives the finished mask a smoother, less abrasive texture.

It’s a particularly nice addition to this updated version of the recipe because we’re aiming for gentle exfoliation, not scrubbing the living daylights out of our legs.

A small amount of finely ground Dead Sea salt adds gentle physical exfoliation to the mask as it’s applied and rinsed away. We’re intentionally using much less than the original recipe and choosing a fine grain to keep the texture comfortable rather than aggressively scrubby.

Let the fine grain do the work. There’s no need to scrub vigorously.

Vegetable glycerin is a humectant, meaning it attracts and holds onto water. In this recipe, it also helps transform the dry ingredients into a smoother, more comfortable mask and balances some of the dry feel you can get from a clay-heavy formula.

It isn’t a preservative, so any mask that’s been mixed with water should be made fresh and used right away rather than stored for later.

Vegetable glycerin is a humectant (source), meaning it attracts and holds onto water. In this recipe, it also helps transform the dry ingredients into a smoother, more comfortable mask and balances some of the dry feel you can get from a clay-heavy formula.

It isn’t a preservative, so any mask that’s been mixed with water should be made fresh and used right away rather than stored for later.