Our blog is reader-supported. When you buy through links on our site, we may earn a commission. Thanks for your support.!
As we all know, sunscreen is not just a summertime accessory; it’s a crucial defense against the sun’s harmful rays year-round. Among its various ingredients, zinc oxide stands out as a stalwart guardian of our skin. Its presence in sunscreen formulations ensures protection against both UVA and UVB radiation, making it a cornerstone of effective sun care routines.
TIP: a good way to avoid having a white cast after application of a physical sunscreen is to dab it on with your fingers until the white cast blends in, essentially acting as a primer.
Chemical vs Physical Sunscreens
Sunscreen operates as a shield against harmful UV radiation, primarily categorized into two types: chemical and physical. Chemical sunscreens absorb UV rays, while physical sunscreens, including those containing zinc oxide, act as a physical barrier, reflecting and scattering UV rays. Zinc oxide prevents them from penetrating the skin, thus safeguarding against sunburn, premature aging, and skin cancer.
Scientific Fact: Research published in the journal Dermatologic Clinics indicates that physical sunscreens, such as those containing zinc oxide, provide immediate protection upon application, while chemical sunscreens require approximately 20 minutes to become effective [Source: Nash JF, et al. “Sunscreen: Development, Evaluation, and Regulatory Aspects.” Dermatol Clin. 2006;24(1):1-9.]
What is Zinc Oxide?
Zinc oxide may sound like a laboratory compound, but it’s a naturally occurring mineral with a rich history in skincare. This white, powdery substance boasts remarkable properties, including its ability to scatter and absorb UV radiation effectively. From ancient civilizations to modern-day dermatology, zinc oxide has maintained its prominence as a versatile and reliable skincare ingredient.
Scientific Fact: A study published in the Journal of Investigative Dermatology highlights zinc oxide’s anti-inflammatory properties, suggesting its potential role in soothing and calming irritated skin [Source: Mohammed YH, et al. “The effect of zinc oxide nanoparticles on the structure of the stratum corneum: A confocal Raman microscopy study.” J Invest Dermatol. 2017;137(8):1793-1796.]
Benefits of Zinc Oxide Sunscreen
- Defense against both UVA and UVB rays, shielding the skin from the harmful effects of prolonged sun exposure.
- Its gentle formulation makes it suitable for all skin types, including sensitive and acne-prone skin.
- Unlike some chemical sunscreens, zinc oxide is non-comedogenic, meaning it won’t clog pores or exacerbate acne.
- Zinc oxide is environmentally friendly, as it does not contribute to coral bleaching, making it a reef-safe choice for conscious consumers.
Scientific Fact: A study published in the Journal of the American Academy of Dermatology found that zinc oxide sunscreen provides superior protection against both short-term and long-term UV-induced skin damage compared to chemical sunscreens [Source: Burnett ME, Wang SQ. “Current sunscreen controversies: a critical review.” J Am Acad Dermatol. 2011;65(5):869-886.]
What to look for in Sunscreens
- Broad-spectrum protection: Look for a sunscreen that offers broad-spectrum protection, meaning it protects against both UVA and UVB rays.
- SPF rating: opt for a sunscreen with a broad-spectrum SPF of at least 30+. For higher heat and UV rates, opt for a 50+.
- Water resistance: If you’ll be swimming or sweating, opt for a water-resistant sunscreen.
- Ingredients: Mineral sunscreens, containing ingredients like zinc oxide and titanium dioxide, are often gentler on the skin compared to chemical sunscreens, which contain ingredients like avobenzone and oxybenzone.
TIP: Remember even water-resistant sunscreens need to be reapplied after swimming or sweating, as indicated on the label (generally every 2 hrs).
1. Invisible Zinc Face + Body Mineral Sunscreen SPF 50
INVISIBLE ZINC is an Australian-made sunscreen that contains naturally derived Zinc Oxide, providing high broad-spectrum shield against UVA + UVB. It’s low irritant formula is suitable for sensitive skin & children, it’s free from parabens, fragrances, and chemical UV filters.
2. Neutrogena Sheer Zinc Oxide Dry-Touch Face Sunscreen with Broad Spectrum SPF 50
Neutrogena Sheer Zinc Face with broad Spectrum SPF 50 provides superior protection against aging UVA and burning UVB rays to help prevent sunburn. It is made with naturally-sourced 100% zinc oxide and features Dry-Touch technology to help ensure it dries with a non-greasy finish.
3. CeraVe 100% Mineral Face Sunscreen SPF 50
CeraVe Face sunscreen contains Zinc Oxide & Titanium Dioxide, Hyaluronic Acid, Niacinamide and Ceramides. It is a 100% Mineral-based, chemical free sunscreen, also known as a physical sunscreen, reflects UVA/UVB rays to help protect the skin.
4. EltaMD UV Clear Face Sunscreen SPF 46
EltaMD UV Clear is an oil free sunscreen with Zinc Oxide that blends in effortlessly and leaves no white cast, Helps protect against breakouts and is an essential acne sunscreen for those with acne prone skin care concerns.
5. Cetaphil Sheer 100% Mineral Liquid Face Sunscreen SPF 50
Cetaphil Sheer’s microbiome gentle formula nourishes sensitive skin while providing hydrating, chemical free sun protection. It is unscented, non- comedogenic, and ultra lightweight, ideal for use under makeup.
