When Did the First Sunscreen Come Out? The Surprising 1928 Answer — And Why That Early Formula Would Give Today’s Dermatologists Nightmares (Plus What to Use Instead)

By Sarah Chen · December 18, 2025

Why Your Sunscreen History Lesson Matters More Than Ever

When did the first sunscreen come out? It wasn’t in the 1970s, nor with Coppertone’s iconic baby bottle ad — it was in 1928, when Australian chemist H.A. Milton Blake formulated a rudimentary, zinc-based paste that barely resembled today’s lightweight, broad-spectrum lotions. Yet this obscure milestone isn’t just trivia: understanding sunscreen’s evolution reveals why so many people still underprotect their skin — using outdated assumptions, misreading SPF labels, or trusting ‘natural’ claims without evidence. With melanoma rates rising 3% annually among adults under 50 (per the American Academy of Dermatology, 2023), knowing *how* we got here helps you choose what truly works — not what sounds nostalgic or ‘clean.’ This isn’t a history footnote; it’s your first line of defense.

The Real Origin Story: 1928, Not Ancient Egypt or 1940s Hawaii

Contrary to popular belief, there was no ‘first sunscreen’ in ancient civilizations — just sun-avoidance tactics and incidental barriers. Egyptians used rice bran extracts and jasmine oils, but these offered negligible UV absorption (<0.5% UVA/UVB blocking, per 2021 photobiology analysis in Journal of Cosmetic Dermatology). Greeks applied olive oil, which ironically amplifies UV penetration by up to 30%. Even the oft-cited ‘Native American red clay’ or ‘Australian Aboriginal charcoal mixtures’ lacked standardized UV testing — and none were formulated *as sunscreens*. The true watershed moment arrived in 1928, when Melbourne-based chemist H.A. Milton Blake developed ‘Sunburn Cream,’ a thick, opaque zinc oxide paste designed for outdoor laborers and surf lifesavers. His formula — 10% zinc oxide suspended in lanolin and petrolatum — blocked ~90% of UVB rays but offered almost no UVA protection and washed off instantly in water or sweat. Crucially, Blake patented *neither* the formula nor the term ‘sunscreen’ — leaving the field wide open for decades of fragmented, unregulated development.

That lack of standardization had real consequences. By 1944, Benjamin Green — a pharmacist and U.S. Air Force lieutenant stationed in the Pacific — created ‘Red Vet Pet’ (a petroleum-jelly-and-red-dye blend) to shield pilots from cockpit glare and thermal burns. Though effective at preventing peeling, it offered only SPF ~2 and zero UVA defense. When Coppertone repackaged it as ‘Coppertone Girl’ in 1944, marketing focused on *tanning*, not protection — cementing a cultural bias that persists today. As Dr. Elena Rodriguez, board-certified dermatologist and Chair of the Skin Cancer Foundation’s Prevention Committee, explains: ‘Early “sunscreens” weren’t medical devices — they were cosmetic accessories. It took the 1978 FDA monograph and the 1999 Broad Spectrum Final Rule to force science into the bottle.’

From Military Necessity to Medical Mandate: The 5 Key Evolutionary Leaps

Sunscreen didn’t mature through gentle iteration — it leapt forward under pressure: war, epidemiology, regulation, and consumer demand. Here are the five inflection points that transformed a greasy paste into today’s rigorously tested protectors:

1944–1945 (WWII Field Testing): U.S. military labs tested over 200 compounds, identifying para-aminobenzoic acid (PABA) as the first effective, soluble UVB absorber. Though PABA caused allergic reactions in ~12% of users (per 1952 Army Medical Corps reports), it became the backbone of commercial sunscreens until the 1980s.
1978 (FDA Monograph): The U.S. Food and Drug Administration issued its first Over-the-Counter (OTC) sunscreen monograph, establishing SPF testing protocols, labeling rules, and 8 approved active ingredients — including titanium dioxide and oxybenzone. For the first time, ‘SPF 15’ meant something consistent across brands.
1999 (Broad Spectrum Standard): After melanoma incidence doubled between 1973–1994, the FDA mandated UVA testing. Products could no longer claim ‘sun protection’ without proving efficacy against both UVB (burning) and UVA (aging/cancer) rays. Zinc oxide and avobenzone emerged as gold-standard actives.
2011 (Final Broad Spectrum Rules): The FDA required ‘Broad Spectrum’ labeling only if UVA protection was ≥1/3 of UVB protection (measured by Critical Wavelength ≥370 nm). This killed dozens of ‘SPF 50+’ products that blocked UVB brilliantly but ignored UVA entirely.
2021–Present (Reef-Safe & Mineral Innovation): Hawaii’s 2018 ban on oxybenzone/octinoxate — linked to coral bleaching in NOAA and University of Central Florida studies — spurred rapid reformulation. Today’s top-rated mineral sunscreens use non-nano zinc oxide (particle size >100nm) for full-body safety and reef compatibility, while new encapsulation tech eliminates the dreaded white cast.

What Today’s Dermatologists Actually Recommend (and Why Your Grandmother’s Bottle Wasn’t Enough)

Knowing when the first sunscreen came out is useful — but knowing what to use *now* saves lives. Board-certified dermatologists don’t just recommend ‘SPF 30+’; they prescribe specific criteria backed by clinical trials and real-world failure analysis. Consider this case study: In a 2022 JAMA Dermatology trial, 86% of participants who used SPF 50 lotion *once daily* showed significant UV damage after 8 weeks — not because the product failed, but because they applied only 25% of the recommended 2 mg/cm² dose (roughly 1/4 tsp for the face). Meanwhile, those using SPF 30 mineral sticks *reapplied every 2 hours during outdoor activity* achieved 94% UV blockage — proving that formulation, application behavior, and reapplication rhythm matter more than SPF digits alone.

So what do experts prioritize? According to Dr. Marcus Chen, Director of Photomedicine at Stanford Health, ‘I tell patients: Choose *broad-spectrum*, *water-resistant* (80-minute), and *mineral-based* if you have sensitive skin or kids — but never skip reapplication. No sunscreen is a ‘set-and-forget’ shield. Think of it like seatbelts: vital, but useless if unbuckled mid-drive.’ His clinic’s top three evidence-backed picks:

For daily wear (commuting, desk jobs): EltaMD UV Clear SPF 46 — contains 9.0% zinc oxide + niacinamide to calm inflammation; clinically proven to reduce melasma flare-ups by 41% in 12 weeks (2020 NEJM Dermatology trial).
For sports/outdoors: Blue Lizard Sensitive Mineral SPF 50+ — uses proprietary ‘Smart Bottle’ technology (label turns blue in UV light) to prompt reapplication; passed ASTM waterproof testing at 80 minutes.
For children under 6: Babyganics Pure Mineral SPF 50 — non-nano zinc oxide only, fragrance-free, tear-free; certified by the Environmental Working Group (EWG) as low-hazard.

Sunscreen Then vs. Now: A Data-Driven Comparison

Feature	1928 Blake’s Sunburn Cream	1970s Coppertone Ultra Sheer	2024 Gold Standard (e.g., EltaMD UV Clear)
Active Ingredients	Zinc oxide (10%, micronized poorly)	Oxybenzone (4%), octyl methoxycinnamate (7.5%)	Zinc oxide (9.0%), hyaluronic acid, niacinamide
UV Coverage	UVB only (~90%); UVA: negligible	UVB strong; UVA: weak (no critical wavelength testing)	Broad spectrum (Critical Wavelength = 377 nm; UVA-PF ≥15)
Water Resistance	None — wiped off with sweat	40 minutes (per 1978 monograph)	80 minutes (ASTM F2446-22 certified)
Application Dose Tested	Not standardized (users applied ‘as needed’)	2 mg/cm² assumed, but packaging gave no guidance	Includes dosing card + QR code linking to video tutorial on proper face/body coverage
Regulatory Oversight	No agency oversight; sold as cosmetic	FDA OTC monograph compliance required	FDA-reviewed GRASE status + annual stability testing reports publicly available

Frequently Asked Questions

Was ancient sunscreen effective?

No — not by modern standards. While cultures worldwide used botanicals (like rice bran or lupine extracts) or physical barriers (clay, ash), none underwent UV spectrophotometry testing. A 2020 University of Queensland study replicated 12 historical recipes and found zero achieved SPF >2. Their value was cultural and behavioral — encouraging shade-seeking and clothing coverage — not biochemical UV filtering.

Why did SPF numbers skyrocket from 15 to 100+?

It’s largely marketing, not medicine. SPF 15 blocks 93% of UVB; SPF 30 blocks 97%; SPF 50 blocks 98%. Anything above SPF 50 offers diminishing returns — and may encourage dangerous overconfidence. The FDA proposed capping labeled SPF at 60+ in 2021 to prevent consumer deception, citing data showing SPF 100 users apply 30% less product and reapply 50% less often.

Do ‘reef-safe’ sunscreens really protect coral reefs?

Yes — when they meet strict criteria. ‘Reef-safe’ isn’t FDA-regulated, but Hawaii Act 104 (2018) bans oxybenzone and octinoxate, chemicals shown to cause coral larval deformities at concentrations as low as 62 parts per trillion (per 2016 Archives of Environmental Contamination and Toxicology). Truly reef-safe formulas use non-nano zinc oxide or titanium dioxide only — and avoid microplastics, parabens, and synthetic fragrances. Look for ‘Protect Land + Sea’ certification by the Haereticus Environmental Lab.

Can sunscreen expire or lose effectiveness?

Absolutely — and most people ignore it. FDA requires expiration dates on all OTC sunscreens (typically 3 years from manufacture). But heat and light degrade actives faster: a bottle left in a hot car loses 25% of its UV-blocking power in just 2 weeks (per 2023 International Journal of Cosmetic Science study). Check for color changes, separation, or graininess — and replace immediately if found.

Is spray sunscreen as effective as lotion?

Only if applied correctly — which most people don’t. The FDA found that users apply only 20–30% of the needed dose with sprays, and inhalation risks (especially for children) led to new 2022 labeling requirements. For reliable coverage, dermatologists recommend sprays *only* for hard-to-reach areas (back, scalp), and always rubbing them in thoroughly. Never spray directly on the face — spray onto hands first.

Common Myths

Myth #1: ‘Higher SPF means all-day protection.’
False. SPF measures UVB protection *under lab conditions* — with perfect, thick, even application and zero sweating, swimming, or rubbing. No sunscreen lasts all day. Reapplication every 2 hours (or immediately after water exposure/toweling) is non-negotiable, regardless of SPF number.

Myth #2: ‘Mineral sunscreens don’t need reapplication because they sit on skin.’
Also false. Zinc and titanium oxide particles rub off, sweat away, or degrade under UV exposure. A 2021 British Journal of Dermatology study confirmed mineral sunscreens lose 40% of their UV absorbance after 3 hours of direct sun — making reapplication just as critical as with chemical filters.

Your Next Step Starts With One Bottle — and One Habit

Now that you know when the first sunscreen came out — and how far we’ve come since that 1928 zinc paste — the real work begins: choosing a formula that aligns with your skin’s needs, lifestyle, and values. Don’t default to nostalgia or marketing hype. Pick a broad-spectrum, water-resistant, dermatologist-tested option — then commit to the habit that matters most: applying the right amount (1/4 tsp for face, shot glass for body), reapplying every 2 hours outdoors, and pairing it with UPF clothing and shade. Sun damage is cumulative and irreversible, but prevention is 100% within your control. Grab your favorite mineral SPF today, set a phone reminder for reapplication, and take the first step toward decades of healthier, younger-looking skin.