• GET 20% OFF $100+
  • USE CODE LABORDAY26
  • LABOR DAY SALE
A white tube of MDSolarSciences Mineral Moisture Defense SPF 50 stands upright against a white background, displaying blue and green logo and text. A graphic titled Protect Your Skin features MDSolarSciences Mineral Moisture Defense SPF 50, zinc oxide powder, and an orange slice, highlighting moisturizing SPF 50 UV defense, reef-safe micronized zinc oxide, and vitamin C benefits. A white tube of MDSolarSciences Mineral Moisture Defense SPF 50 appears on the right, featuring award mentions from Forbes (2024, 2025) and Good Housekeeping (2023). A marble surface is visible in the top left corner. Three tubes of MDSolarSciences Mineral Moisture Defense SPF 50 stand in rippling water. Text showcases its smooth coverage, moisturizing and reef-safe mineral formula, SPF 50 protection, and water resistance for up to 80 minutes. Infographic showing MDSolarSciences Mineral Moisture Defense SPF 50 ingredients: ceramides and humectants to moisturize, green tea to calm, cranberry and pomegranate for protection, plus non-nano zinc oxide mineral sunscreen for defense.
A white tube of MDSolarSciences Mineral Moisture Defense SPF 50 stands upright against a white background, displaying blue and green logo and text.

MDSolarSciences Mineral Moisture Defense SPF 50

3.4 fl oz

Why we love it

  • Free from thousands of banned ingredients and meets our EU-informed standards.
  • Deeply moisturizes and supports a healthy skin barrier with ceramides.
  • Invisible, lightweight mineral protection, even for sensitive skin.
  • Powered by antioxidants to defend skin from environmental stress.
Scent: Unscented

$46.00

Save 0%

Free carbon neutral shipping on orders $29+. Arrives in 3-5 days. Free, easy 30-day returns.

Mineral Moisture Defense is the ultimate moisturizing mineral sunscreen, it applies luxuriously smooth, with a light-as-air feel and minimal white cast, while a unique blend of ceramides and humectants help preserve and restore the skin's natural moisture barrier.

Safe for sensitive skin and acne-prone skin but ideal for dry skin that needs an extra hydration boost.

This dermatologist-developed sunscreen is formulated with non-nano zinc oxide and powered by our ProVention-R™ antioxidant blend to provide additional protection against environmental aggressors. It is waterproof for 80 minutes, and a reef-safe mineral formula.

Fragrance-free and family-friendly (for kids age 6 months+).

Actives: Titanium Dioxide 2%, Zinc Oxide 17% Dimethicone, Caprylic/Capric Triglyceride, Dimethicone Crosspolymer, Dimethicone/Vinyl Dimethicone Crosspolymer, Butyloctyl Salicylate, Glyceryl Isostearate, Polyester-8, Polysilicone-15, Ceramide AP, Ceramide EOP, Ceramide NP, Phytosphingosine, Tetrahexyldecyl Ascorbate (Vitamin C), Camelia Sinensis Leaf Extract (Green Tea), Punica Granatum Extract (Pomegranate), Vaccinum Macrocarpon (Cranberry) Fruit Extract, Water (Aqua), Polyhydroxystearic Acid, Silica, Sodium Lauroyl Lactylate, Ethylhexylglycerin, Cholesterol, Carbomer, Xanthan Gum, Triethoxycaprylysilane, May Contain: (CI 77891, CI 77492, CI 77491, CI 77499).

Apply liberally before sun exposure, reapply at least every 2 hours. If swimming of sweating, reapply every 80 minutes or immediately after towel drying.

Children under 6 months: ask a doctor.

Grove Values

People Also Bought

MDSolarSciences Bestsellers

Shop All MDSolarSciences
A flat lay of assorted skincare and hygiene products, including body wash, facial cream, mascara, cleansing foam, facial cream tube, soap, cotton cover pads, and green towels on a peach background.

Personal care with nothing to hide.

From head to toe, every product is screened for ingredient safety, material impact, and unnecessary waste — so you can feel more confident in what touches your body every day.

A white bottle of OSEA Ocean Cleanser with a pump dispenser is shown at an angle against a coral pink circular background. The bottle has minimalist black text and a small dark circle near the bottom.

Strictly screened ingredients

Including parabens, PEGs, sulfates, phthalates, and synthetic fragrance

A cylindrical container of Erleia Signature Clay Mask with green floral packaging, featuring text about its vegan and cruelty-free formula. The container is placed on a peach-colored circular background.

Cruelty free

Every personal care brand we offer is committed to cruelty-free practices

Three multi-use Axiology Lip-to-Lid Balmies crayons in a red box, with the box lid partially open and another box with product details leaning against it, all on a peach-colored circle background.

Less plastic, fewer microplastics

Refillable and reduced-plastic options that lessen waste and microplastic exposure

A close-up of a human fingertip with colorful microplastic particles on the skin, and images of a plastic bag, bottle, and six-pack ring layered in the corner, highlighting plastic pollution.

Go Beyond Plastic™ and microplastics.

Plastic products break down into microplastics that can affect human health.

Grove Co. is on a mission to reduce plastic in home essentials — for both people and for the planet.

Learn more on the Home Planet blog

Shop Beyond Plastic™

Recently Viewed