Skincare

How to Use a Sleeping Mask in Your Evening Routine

LANEIGE Water Sleeping Mask EX in a blue jar on a white background.

The MUNO journal · Evening skincare

Use a sleeping mask towards the end of your evening skincare routine, following the directions for that particular product. Spread it evenly, let it settle and leave it on for its intended overnight use. A facial sleeping mask is different from a sheet mask or a wash-off pack.

The short version: cleanse, complete your usual skincare steps and apply your chosen overnight mask as directed. You need one mask, not several layers of different masks. Check the label for how much to use and what to do the next morning.

Where does a sleeping mask fit?

The word “mask” describes several quite different formats. A sheet mask has a sheet to remove. A clay pack has a specified contact time before rinsing. A sleeping mask is a product designed for overnight wear, so its instructions should guide both its place in your routine and how long you leave it on.

The two products below are intended for use near the end of an evening routine. COSRX describes its rice overnight mask as a final step after completing daily skincare. LANEIGE's Water Sleeping Mask EX directions place it after toner and emulsion at night. Neither approach requires adding a second sleeping mask.

If you want help with the earlier part of your routine, our double-cleansing guide explains cleansing, while our moisturiser guide covers that everyday step. Keep the rest of your routine familiar when you introduce something new.

How to use a sleeping mask, step by step

1. Start with your usual evening cleanse

Remove the day's makeup and cleanse as appropriate for your routine. A sleeping mask is a finishing skincare step; putting it over makeup is not the same as completing your evening skincare. You do not need to add a scrub or a wash-off mask just to prepare for it.

2. Check the amount on your own product

Different masks have different textures and application directions. COSRX's published instructions specify a pea-sized amount for its rice overnight mask. That is a product-specific direction, rather than a universal measurement for every sleeping mask. Follow the amount on the packaging you receive.

3. Spread an even layer

Use clean hands and distribute the product gently rather than leaving a thick patch in one place. With a jar, use a clean applicator if one is provided and close the lid afterwards. Follow any instructions about areas to avoid; a facial mask is not automatically an eye or lip treatment.

4. Let it settle before bed

Give the product time to settle according to its directions. There is no single waiting time that applies to every overnight mask. A thicker visible layer does not prove that you have applied it better, and you do not need to keep topping it up as part of a bedtime ritual.

5. Follow the morning instructions

LANEIGE says to leave Water Sleeping Mask EX on overnight and wash your face the next morning. Check the directions for whichever mask you choose rather than borrowing a short rinse-off time from a different product. Then continue with your normal morning routine.

Two overnight masks to consider at MUNO

LANEIGE Water Sleeping Mask EX

Water Sleeping Mask EX is an option if you want a clearly described evening-to-morning routine. The brand explains spreading it gently after earlier skincare, allowing it to absorb and leaving it on overnight.

This guide refers to the EX version listed at MUNO. LANEIGE also makes other sleeping products, so check the full name on the product page and your packaging instead of assuming that every version shares the same instructions.

COSRX Ultimate Nourishing Rice Overnight Mask

The COSRX rice overnight mask, described by the brand as Ultimate Nourishing Rice Spa Overnight Mask, is another final-step option. Its current official directions focus on a small amount applied at the end of skincare.

Choose between these products according to the format and directions you prefer. Check the individual pages for the current listed size and product details. You do not need to buy both to follow a simple evening routine.

Quick questions about sleeping masks

Do I have to use one every night?

No. Check the frequency recommended for your own product and decide whether the extra step suits you. The name “sleeping mask” describes its intended use; it is not a requirement to add it to every evening.

Can I leave a normal sheet mask on overnight instead?

Do not treat the two formats as interchangeable. Follow the contact time given for your sheet mask and remove it as directed. Our sheet-mask timing guide covers that separate question.

Should I use more if the layer feels sticky?

Check the recommended amount first rather than adding another layer. Notice how the product fits with the rest of your routine. If you do not enjoy the finish, a simpler routine without the mask remains an option.

Sources and product information · Checked 19 October 2026. General routine suggestions are editorial guidance; follow the directions supplied with your own product.