#1 in Dashboard Protectant
5 days running
Priced as of May 10, 2026
4.7(27,124 ratings)Subscribe & Save: $16.47 (15% off)Buy on AmazonSaved to your guest loadout. Sign up to also save to your Cabinet (consumables) or Kit (tools you own).
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Prices may varyFrom the Safety Data Sheet
Full SDS ↗ (rev. 2018-11-30)GHS hazard codes are quoted from the manufacturer’s Safety Data Sheet. PPE tiers below translate those codes and the listed ingredient chemistry; they are not CarCareTruth recommendations.
EyesRecommendedMfr. SDS §8 · 29 CFR 1910.133(a)(1) · GHS H319SkinSituationalMfr. SDS §8 · 29 CFR 1910.138(a) · GHS H315LungsSituationalMfr. SDS §8Ventilation—No PPE in published sourcesShow details for all categories ▾Hide details ▴
From the manufacturer’s Safety Data Sheet, Section 8
“H319 (eye irritation Cat 2) confirmed in SDS §2 — driven by the propylheptyl poly(oxyethylene) surfactant at 1.4% (Eye Dam. 1 at neat concentration, dilutes to Eye Irrit. Cat 2 at product level). Pump-spray format generates mist inside the car cabin that routinely reaches eye level.”
— 303 Products
U.S. regulatory standard
29 CFR 1910.133(a)(1)
“The employer shall ensure that each affected employee uses appropriate eye or face protection when exposed to eye or face hazards from… liquid chemicals…”
ANSI Z87.1 (incorporated via §1910.6)
OSHA standards apply to workplaces. Cited here as the U.S. reference threshold for the underlying hazard class.
CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.
From the manufacturer’s Safety Data Sheet, Section 8
“H315 (skin irritation Cat 2) confirmed in SDS §2. PDMS at 12% is a mild skin irritant per SDS §11. At typical brief application sessions (5–15 minutes), skin irritation risk is low — relevant during extended application or repeated daily use.”
— 303 Products
U.S. regulatory standard
29 CFR 1910.138(a)
“appropriate hand protection when employees' hands are exposed to hazards such as those from… chemicals which produce an adverse effect on the skin or eyes…”
OSHA standards apply to workplaces. Cited here as the U.S. reference threshold for the underlying hazard class.
CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.
From the manufacturer’s Safety Data Sheet, Section 8
“No H335, H336, H332, or H330/H331 in SDS §2. Formula is 85.5% water with non-volatile PDMS as the active — no volatile co-solvents. Pump-spray mist in the confined car cabin (~3 m³) is the only plausible inhalation pathway; chemistry does not support respiratory concern under normal ventilation.”
— 303 Products
CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.
No PPE specified in published sources for ventilation. Absence does not imply “not needed” — consult the full Safety Data Sheet.
PPE tiers translate the manufacturer’s SDS and U.S. regulatory standards. Not professional safety advice. How we report safety.
CarCareTruth's Analysis
Last reviewed May 15, 2026
TL;DR Delivers a clean satin finish that community reviewers consistently describe as factory-fresh rather than dressed, with no windshield glare documented across 27,000+ reviews — UV protection is label-claimed from the brand's aerospace heritage but not backed by a disclosed absorber chemistry. Pump-spray format with a mild eye-and-skin irritation classification and a Prop 65 listing for trace processing byproducts.
What it is and how it performs
A water-based silicone protectant that leaves a satin, factory-fresh appearance on plastic, vinyl, and rubber trim — the community benchmark for "natural look" in this category. Spray onto a microfiber cloth first rather than directly onto surfaces to avoid pooling in vents and speaker grilles. Community-confirmed durability of four to six weeks on daily-driver interiors with noticeably lower dust attraction than silicone-oil alternatives. UV protection is the brand's founding claim, though the disclosed chemistry relies on a physical silicone film rather than a named absorber.
Who should buy this — and who should skip it
Best fit for owners doing regular light maintenance who want a satin, natural appearance rather than a high-gloss look — particularly in high-UV climates where interior plastics fade and crack. Skip it if dash or door panels have heavy buildup from older silicone-heavy protectants — strip with an all-purpose cleaner first for even adhesion. Buyers wanting maximum high-gloss wet shine should look elsewhere; this product deliberately avoids that finish.
Safety and environmental impact
WARNING signal word driven by eye irritation and mild skin irritation — standard for water-based silicone formulas. No respiratory hazard codes; the formula is 85.5% water with no volatile solvents or petroleum distillates. Prop 65 listed for trace processing byproducts from manufacturing, not from active ingredients. Leave-on product that stays on interior surfaces — not drain-destined. No cyclic siloxanes (D4/D5) in the formula; the silicone is linear PDMS. Biodegradability not determined by the manufacturer's SDS.
Frequently asked questions
Does 303 Aerospace Protectant cause windshield glare?▾
No. Community reviews consistently describe the finish as matte, satin, or factory-fresh — the opposite of the high-gloss products that create glare. Across 27,000+ Amazon reviews and detailing forum threads, no windshield glare complaints were found. This is the product's primary competitive advantage over glossy alternatives.
Does 303 Aerospace Protectant actually protect against UV?▾
The brand's heritage is aerospace UV protection (aircraft canopies and gel-coat finishes since 1980), and the PDMS film does provide a physical barrier against UV exposure. However, no named UV absorber (benzotriazole, benzophenone, HALS) appears in the SDS. The UV protection mechanism is the silicone film itself, not a dedicated UV-absorbing chemistry. Community evidence broadly supports that treated surfaces resist fading better than untreated ones, but no independent lab data confirms the mechanism.
Should I spray it directly on the dashboard?▾
Best results come from spraying onto a microfiber cloth first, then wiping the surface. Direct spray risks pooling in vents, speaker grilles, and trim gaps. A second dry-buff with a clean cloth removes any excess and ensures an even finish.
Why does 303 have a Prop 65 warning?▾
The SDS lists ethylene oxide, ethylbenzene, and acetaldehyde as Prop 65 substances — these are trace processing byproducts from manufacturing, not active ingredients. They do not appear in the formula composition at named concentrations. The Prop 65 warning is a labeling requirement triggered by any detectable presence, regardless of dose.
How often should I reapply?▾
The label recommends every 30–40 days. Community feedback confirms 4–6 weeks of maintained finish on daily-driver interiors under normal use — consistent with the water-based PDMS chemistry. Reapplication frequency increases in high-UV climates or with frequent interior cleaning.
From the manufacturer
Marketing copy from 303 Products, via Amazon. Not editorial.
- •303 UV Protectant brightens surfaces and keeps them looking newer, longer. This formula provides superior UV protection for any rubber, finished leather, plastic, vinyl, eisenglass, PVC, gel coat & fiberglass surfaces. Not for use on unfinished leathers (such as suede), fabrics (canvas) or floorings.
- •303 UV Protectant not only protects against fading, discoloration and cracking from harmful UV rays, but repels dust and stains too helping to extend your cleaning.
- •Rinse-free formula leaves a non-greasy, dry matte finish with no odor and is non toxic and water based. 100% free of grease-producing silicone oils and petroleum distillates.
- •303 UV Protectant is an easy to use spray on formula that comes in a 16 fl. oz. bottle with trigger sprayer.
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Manufacturer videos
Manufacturer images
Manufacturer specifications
- Brand
- 303 Products
- Item Form
- Liquid
- Scent
- Unscented
- Specific Uses For Product
- Furniture, Window
- Material Feature
- Non-Toxic, Unscented
- Surface Recommendation
- Rubber
- Special Features
- ULTIMATE PROTECTION – 303 Aerospace Protectant provides superior protection against the sun's damaging UV rays. This protector spray repels dust, lint, and staining while also helping to prevent fading and cracking, to keep surfaces looking newer, longer.
- Contains Liquid Contents?
- Yes
- Cleaning Agent Formulation
- Hard Surface Cleaner
- Material Features
- Non-Toxic, Unscented
- Item Volume
- 32 Fluid Ounces
- Unit Count
- 32.0 Fluid Ounces
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