Home / Products / sunscreen / iS Clinical / Eclipse SPF 50+
DERMFND VERIFIED
iS Clinical Eclipse SPF 50+ mineral sunscreen tube

Eclipse SPF 50+

Dermatologist's Daily SPF

clinical Fragrance Free Paraben Free Pregnancy Safe Vegan Not Cruelty Free
82/100
DermFND score
Ingredient quality
8.6
Value for money
8.4
Suitability breadth
6.4
Irritation risk
Low
$54.00
3.5 fl oz
4.5
2,000 customer ratings (Amazon)
Data confidence
High confidence
2,000+ aggregated reviews · INCI confirmed
PAO
12 mo.
after opening
Certifications
Marine-safe
Alex Brufsky
Alex Brufsky Founder & Editor
Analysis by DermFND · Last verified May 2026 · Methodology
Verified reviewer
01 · Quick read

Pros & cons.

What we love
  • +Exceptionally lightweight matte finish rivals chemical sunscreens in cosmetic elegance
  • +Mineral-only formula is pregnancy-safe, reef-friendly, and gentle on post-procedure skin
  • +Iron oxides provide visible light/HEV protection that standard sunscreens lack
  • +Completely fragrance-free — genuinely clean formula for the most reactive skin
  • +Generous 3.5 oz tube provides excellent value compared to typical premium sunscreen sizes
  • +Works beautifully as a makeup primer with no pilling or separation
What to know
  • Zinc oxide at 1.10% is lower than many mineral sunscreens — UVA coverage may be less robust
  • Translucent version may show slight white cast on medium to deep skin tones initially
  • Tinted version has very limited shade options (primarily beige)
  • Not water-resistant enough for extended swimming or intense outdoor sports
  • Contains PEG-100 stearate which some ingredient-conscious consumers prefer to avoid
02 · Editorial analysis

The full review.

The truth about sun protection is simple: the best sunscreen is the one you actually wear. Dermatologists know this. They can prescribe the most protective formula, but if it feels like spackling compound, it stays in the medicine cabinet instead of on the skin. iS Clinical built Eclipse SPF 50+ on this reality: a slightly less protective sunscreen worn every day beats a maximally protective one that sits in a drawer.

The formula uses two mineral UV filters — titanium dioxide at 5.20% and zinc oxide at 1.10% — for broad-spectrum SPF 50+ protection. The titanium dioxide provides UVB protection, while the zinc oxide extends coverage into the UVA range. These concentrations are lower than many mineral sunscreens, which often use 15-25% zinc oxide. iS Clinical uses advanced particle processing to compensate: transparent titanium dioxide and micronized zinc oxide disperse more evenly and efficiently across the skin, maximizing the protection-per-particle ratio.

Eclipse earns its following through cosmetic performance. This mineral sunscreen does not feel like a mineral sunscreen. It applies as a lightweight, slightly cooling cream that absorbs within a minute or two to a matte finish. It has no chalkiness, no pastiness, and no greasy film. On light and medium skin tones, it is effectively invisible. The tinted PerfecTint version extends this invisibility to more skin tones and adds iron oxide.

Iron oxides do more than provide color. Research shows iron oxides protect against visible light, including the high-energy visible (HEV) or blue light range that standard UV filters miss. This matters for melasma and hyperpigmentation, where visible light exacerbates pigmentation even when UV is blocked. The iron oxides in Eclipse add a layer of protection most sunscreens lack, making it a smart choice for managing pigmentation.

Vitamin E exists in two forms — tocopherol and tocopheryl acetate — providing antioxidant support. These catch the free radicals UV radiation generates even when the physical filters block most rays. No sunscreen blocks 100% of UV; the antioxidants address damage from the small percentage that gets through.

The formula is fragrance-free, paraben-free, and marine-safe. These attributes and the mineral-only filter system make it a frequent recommendation for post-procedure patients in dermatology and plastic surgery offices. After chemical peels, laser treatments, and other procedures that sensitize the skin, patients need effective, non-irritating sun protection. Eclipse fills that role.

UV-protection purists may note the zinc oxide concentration. At 1.10%, it is lower than many mineral sunscreens. While SPF testing confirms 50+ UVB protection, the UVA protection from 1.10% zinc oxide is less robust than formulas with 15-20% zinc oxide. For daily urban use — commuting, office work, errands — this level is adequate. For extended outdoor activity or extreme UV environments, a higher zinc oxide concentration is better.

At $54 for 3.5 ounces, the price is competitive for professional skincare. The tube size provides two to three months of daily use at recommended amounts, making the per-use cost reasonable. This offers better value than many premium sunscreens that offer 1-1.7 ounce sizes at similar prices.

Eclipse SPF 50+ uses a pragmatic philosophy: maximum compliance through maximum wearability. It does not have the highest zinc oxide content on the market, but it achieves something more important — it makes you want to put it on your face every morning. For a category built on daily consistency, that matters more than any ingredient percentage.

03 · INCI · disclosed by brand

Ingredient analysis.

Ingredient Role Evidence Flag
Titanium Dioxide (5.20%)](/ingredients/titanium-dioxide) (5.20%)
The primary UV filter in this formula, providing broad-spectrum UVB protection through physical reflection and scattering of UV radiation. The transparent grade used here is micronized to minimize white cast while maintaining protective efficacy. Works alongside the zinc oxide to cover both UVA and UVB wavelengths.
Well Established
OK
Zinc Oxide (1.10%)](/ingredients/zinc-oxide) (1.10%)
Complements the titanium dioxide by providing superior UVA protection — the longer-wavelength radiation responsible for photoaging and deep skin damage. Even at a relatively low concentration, the micronized zinc oxide extends the protection spectrum and contributes anti-inflammatory benefits beneficial for sensitive and post-procedure skin.
Well Established
OK
Dual vitamin E forms provide antioxidant protection that supplements the physical UV filters. Tocopherol (active form) scavenges free radicals generated by UV exposure, while tocopheryl acetate (stable form) provides sustained antioxidant reserve. Together they help prevent the oxidative damage that UV radiation causes even when the physical filters block most rays.
Well Established
OK
Beyond providing the subtle tint in the PerfecTint versions, iron oxides offer protection against visible light (HEV/blue light) — a portion of the spectrum that titanium dioxide and zinc oxide do not fully cover. Research shows iron oxides reduce visible light-induced hyperpigmentation, making this sunscreen particularly effective for melasma-prone skin.
Well Established
OK
Full INCI list

Active Ingredients: Titanium Dioxide 5.20%, Zinc Oxide 1.10%. Inactive Ingredients: Water, C12-15 Alkyl Benzoate, Caprylic/Capric Triglyceride, Butylene Glycol, Octyldodecyl Neopentanoate, Cetearyl Glucoside, Cetearyl Alcohol, Glyceryl Stearate, PEG-100 Stearate, Polyhydroxystearic Acid, Alumina, Methicone, Triethoxycaprylylsilane, Tocopherol, VP/Eicosene Copolymer, Styrene/Acrylates Copolymer, Sorbitan Laurate, Tocopheryl Acetate, Xanthan Gum, 1,2-Hexanediol, Caprylyl Glycol, Disodium EDTA, Iron Oxides (CI 77491, CI 77492, CI 77499)

Product flags
✓ Fragrance Free ✓ Alcohol Free ✗ Oil Free ✗ Silicone Free ✓ Paraben Free ✓ Sulfate Free ✗ Cruelty Free ✓ Vegan ✗ Fungal Acne Safe
04 · Compatibility

Skin match.

Pairs well with
vitamin C serums (apply under sunscreen)moisturizersmakeup/foundation
Skin types
Best for
normalcombinationsensitive
Works for
oilydry
05 · Evidence

The science.

The Science

The titanium dioxide (5.20%) and zinc oxide (1.10%) mineral UV filter combination provides broad-spectrum protection by reflecting and scattering UV radiation. Titanium dioxide blocks UVB radiation (290-320nm) effectively, while zinc oxide provides superior UVA protection (320-400nm). A 2019 Journal of the American Academy of Dermatology study confirmed that modern micronized and coated mineral filters reach SPF values comparable to chemical filters when using advanced dispersion technology, which Eclipse uses through its transparent titanium dioxide processing.

The iron oxide component is important. A 2012 Journal of Cosmetic Dermatology study showed that iron oxides significantly reduce visible light transmission through sunscreen films. Later research in Photodermatology, Photoimmunology & Photomedicine (2014) showed that tinted sunscreens with iron oxides provide superior protection against visible light-induced hyperpigmentation than untinted mineral sunscreens with higher SPF values. This matters for melasma patients—visible light contributes to melanogenesis.

Tocopherol (vitamin E) works as a chain-breaking antioxidant that neutralizes lipid peroxyl radicals from UV exposure. Research in the Journal of Investigative Dermatology shows that vitamin E in sunscreen formulations reduces photoimmune suppression and thymine dimer formation—DNA damage markers linked to skin cancer. The dual vitamin E approach (tocopherol plus tocopheryl acetate) provides both immediate and reservoir antioxidant capacity.

Dermatologist Perspective

Dermatologists and plastic surgeons consistently recommend iS Clinical Eclipse SPF 50+ as a daily mineral sunscreen, especially for patients with sensitive skin, post-procedure patients, and those managing hyperpigmentation or melasma. Board-certified dermatologists note that the formula's cosmetic elegance improves patient compliance with sun protection—a critical factor in preventing photoaging and skin cancer. The iron oxide content helps melasma management, where visible light protection is essential. Dermatologists note the zinc oxide concentration is lower than some competitors but say the tested SPF 50+ rating provides a comfortable margin of protection for daily urban use.

06 · Where it fits

Where it fits in your routine.

AM routine
01 Gentle cleanser
02 Vitamin C serum
03 Moisturizer
04 iS Clinical Eclipse SPF 50+ This product
PM routine
01 Gentle cleanser
02 Treatment serum
03 Moisturizer or night cream
How to use

Apply a nickel-sized amount (approximately 1/4 teaspoon) to the face 15 minutes before sun exposure. Spread it evenly over the forehead, cheeks, nose, chin, and neck. Reapply every 2 hours during extended sun exposure, or immediately after swimming, sweating, or towel-drying. One morning application works for daily commutes and office use. Apply this as the last step in your skincare routine, before makeup. Use it directly on the skin or over moisturizer and serum layers.

Value assessment

At $54 for 3.5 oz, Eclipse SPF 50+ offers strong value for professional sunscreens. Many premium mineral sunscreens cost $30-40 for 1.7 oz or less; Eclipse SPF 50+ provides twice the amount for a small price premium. Since users must apply sunscreen generously and daily, tube size dictates value. The cosmetic elegance improves compliance, preventing wasted money on unused sunscreens. Because the formula works for almost all skin types, including post-procedure and pregnancy, it rarely goes unused.

Who should buy

This sunscreen works for anyone who hates the feel of sunscreen — the lightweight matte finish removes every excuse to skip daily SPF. It suits sensitive skin, post-procedure patients, pregnant individuals seeking mineral-only protection, and anyone managing melasma or hyperpigmentation who needs the iron oxide visible light protection.

Who should skip

Users needing maximum zinc oxide for long outdoor activity or extreme UV environments should use a more heavily mineral-loaded formula. The translucent version shows a white cast on very deep skin tones (use the tinted version instead). Those preferring chemical sunscreens for superior UVA-PF ratings should look elsewhere.

07 · The fine print

Product details.

Texture

Ultra-sheer, lightweight cream absorbs quickly to a smooth matte finish. This mineral sunscreen does not feel heavy, greasy, or chalky.

Scent

None — completely fragrance-free

Packaging

Squeezable tube uses iS Clinical's white branding. It comes in translucent and tinted (PerfecTint Beige) versions.

First use

Applies smoothly and absorbs within one to two minutes to a dry, matte finish. The tinted version has no white cast; the translucent version shows a slight white cast initially that fades as it settles. It feels weightless on the skin. It works as a makeup primer without pilling.

How long it lasts

2-3 months with daily face application at recommended amount

Period after opening

12 months

Best season

All Year

Finish
mattenon-greasyinvisible
Certifications
Marine-safe
08 · Behind the formula

The backstory.

iS Clinical developed Eclipse to solve the compliance problem in sun protection: people skip sunscreen because they hate how it feels and looks. By engineering a mineral formula with the cosmetic elegance of a chemical sunscreen — matte, lightweight, no white cast — they removed the most common barrier to daily SPF use. The formula quickly became a post-procedure staple in dermatology and plastic surgery offices, where patients need gentle, reliable sun protection during healing.

About iS Clinical

Established Brand (5–20 years)

iS Clinical was co-founded in 2002 by biochemist Bryan Johns and Alec Call. The brand is rooted in pharmaceutical-grade formulation and is distributed through dermatologists, plastic surgeons, and medical spas in over 125 countries.

Brand founded: 2002
09 · Setting the record straight

Common myths.

Myth

Mineral sunscreens leave a white cast and feel heavy.

Reality

This sunscreen uses transparent titanium dioxide and micronized zinc oxide. This processing reduces particle size to minimize white cast while keeping UV protection. The matte, lightweight finish matches many chemical sunscreens in cosmetic elegance.

Myth

SPF 50+ is overkill — SPF 30 is plenty for daily use.

Reality

SPF 30 blocks about 97% of UVB rays, while SPF 50 blocks about 98%. This gap grows with imperfect application. Most people apply only 25-50% of the recommended amount, so a higher SPF gives a larger margin of error for real-world protection.

10 · Common questions

FAQ.

Does iS Clinical Eclipse SPF 50+ leave a white cast?

The tinted PerfecTint version leaves no white cast on any skin tone. The translucent version shows a slight white cast on medium to deep skin tones initially, but it fades within a few minutes as the formula settles. The transparent titanium dioxide and micronized zinc oxide use specific processing to minimize this common mineral sunscreen issue.

Is iS Clinical Eclipse SPF 50+ reef-safe?

Yes — the formula uses only mineral UV filters (titanium dioxide and zinc oxide) and is marine-safe. It lacks oxybenzone or octinoxate, the chemical filters most linked to coral reef damage.

Can I use iS Clinical Eclipse SPF 50+ after a chemical peel or laser treatment?

Yes — dermatologists and plastic surgeons recommend this sunscreen for post-procedure use. The mineral-only formula is fragrance-free and gentle on healing skin. It provides the high-level UV protection needed after procedures that increase photosensitivity.

How often should I reapply iS Clinical Eclipse SPF 50+?

Reapply every 2 hours during long sun exposure, or right after swimming, sweating, or towel-drying. One morning application works for daily indoor or commute use with limited sun, but midday reapplication improves protection.

Is iS Clinical Eclipse SPF 50+ safe during pregnancy?

Yes — mineral sunscreens using zinc oxide and titanium dioxide are safe during pregnancy. These physical UV filters stay on the skin's surface instead of entering the bloodstream. This makes them the sunscreen type most OB-GYNs recommend for pregnant individuals.

11 · Real-world signal

What the community says.

Common praise

"Lightweight, non-greasy matte finish"

"No white cast despite being a mineral sunscreen"

"Works beautifully under makeup without pilling"

"Gentle enough for sensitive and post-procedure skin"

"Generous 3.5 oz tube provides good value"

Common complaints

"Can feel slightly heavy when layered under thick foundation"

"Translucent version may leave a slight white cast on deeper skin tones"

"Tinted version has limited shade range"

"Lower zinc oxide concentration compared to some competitors"

Notable endorsements
Recommended by dermatologists and plastic surgeonsMarine-safe formulaHSA/FSA eligible
Search the catalog
↑↓ navigate · select · Esc close Powered by Pagefind