SONNI SunDown Electrolyte Sheet Masks (Set of 4)

An at-home spa experience. 

Pack of four cooling sheet masks to reset skin after sun exposure and other stressors. Infused with electrolytes, magnesium PCA, and coconut water, this mask delivers a surge of hydration that helps restore balance and comfort in just 20 minutes. Great for post-sun, travel, and whenever skin feels dry or tight. Each box includes four single-use treatments.

Key Benefits:

• Essential electrolytes and vitamin F deliver intense hydration for visibly plump, refreshed skin
• Cooling complex helps calm heat and post-sun stress on contact
• Coconut water delivers vital minerals while antioxidants help restore
• Leaves skin feeling soft, soothed, and ready for another day

How to Use: 

Apply to clean skin after sun exposure. Leave on for 20 minutes, then remove and pat in any remaining serum, no rinse needed. Use it as part of your post-sun wind down or anytime your skin needs extra care.

About the Brand 

Founded by friends Meg and Eli, Sonni is transforming the way you think about SPF. Focused on making mineral sunscreen you’ll actually want to use—look, no white cast!—the brand creates effective suncare that seamlessly fits into your skincare routine.

Active Ingredients: Electrolytes + Vitamin F, Coconut Water, Magnesium PCA

Full Ingredients: 1,2-Hexanediol, Allantoin, Arachidic Acid, Ascophyllum Nodosum Extract, Behenic Acid, Butylene Glycol, Caprylyl Glycol, Citric Acid, Cocos Nucifera (Coconut) Water, Dipotassium Glycyrrhizate, Dipropylene Glycol, Epilobium Angustifolium Flower/Leaf/Stem Extract, Ethylhexylglycerin, Glycerin, Gondoic Acid, Hydroxyacetophenone, Illicium Verum (Anise) Fruit Extract, Linoleic Acid, Linolenic Acid, Magnesium PCA, Nelumbo Nucifera Flower Water, Niacinamide, Nymphaea Caerulea Flower Water, Oleic Acid, Palmitic Acid, Panthenol, Pentylene Glycol, Pinus Sylvestris Leaf Extract, Polyglyceryl-10 Isostearate, Polyglyceryl-10 Oleate, Scutellaria Baicalensis Root Extract, Sodium Citrate, Sodium Gluconate, Stearic Acid, Tocopherol, Water/Aqua, Xanthan Gum

• Includes 4 sheet masks