Meguiar's Ultimate Glass Cleaner & Water Repellent
Priced as of May 17, 2026
4.6(531 ratings)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. 2023-12-01)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.
EyesSituationalMfr. SDS §8Skin—No PPE in published sourcesLungsSituationalMfr. SDS §8Ventilation—No PPE in published sourcesShow details for all categories ▾Hide details ▴
From the manufacturer’s Safety Data Sheet, Section 8
“SDS §8 specifies safety glasses with side shields for spray application — a specific recommendation, not boilerplate. No eye-irritant H-codes in SDS §2 (mixture unclassified).”
— Meguiar's
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 skin. Absence does not imply “not needed” — consult the full Safety Data Sheet.
From the manufacturer’s Safety Data Sheet, Section 8
“SDS §8 states no respiratory protection required. VOC approximately 2 g/L (water-based formula). Situational tier for enclosed-space use as a general precaution.”
— Meguiar's
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 17, 2026
TL;DR Cleans glass and leaves a hydrophobic polymer layer in one step — expect 4–8 weeks of beading on a daily driver, though highway sheeting performance has not been independently confirmed at any wiper-off speed threshold. The water-based formula carries a trace Prop 65 notice from methanol (0.01–0.03%), not from a solvent carrier.
What it is and how it performs
Spray onto glass, buff with a microfiber, and the treated surface sheds water once the residue cures — typically within 24 hours. Application is forgiving: water-based formula, no strong odor, no documented hazing on first use. Durability data is limited because the product launched in late 2023 and hasn't accumulated the long-term community tracking of older rain repellents — 531 Amazon reviews at 4.6★ but few 60-day follow-up reports. A reasonable estimate is 4–8 weeks on a regularly washed daily driver, consistent with the category baseline.
Who should buy this — and who should skip it
Good fit for drivers who want water beading without a separate treatment step — clean glass, spray, buff, done. Skip it if long-term durability matters: a bonded glass coating (Gtechniq G1, Aquapel) delivers months of protection per treatment. Also skip it if you need independently confirmed wiper-off data at highway speed — that evidence doesn't yet exist for this product.
Safety and environmental impact
The SDS carries no signal word, no GHS pictograms, and no hazard codes at the mixture level. The Prop 65 notice comes from trace methanol (0.01–0.03%), a developmental toxin at chronic high doses — incidental spray use does not create meaningful exposure at that concentration. SDS §8 specifies safety glasses for spray application specifically (not boilerplate). VOC is approximately 2 g/L; the water-based carrier produces negligible atmospheric VOC. No aquatic toxicity data available from SDS §12.
From the manufacturer
Marketing copy from Meguiar's, via Amazon. Not editorial.
- •GLASS CLEANER SPRAY & WATER REPELLENT: Sophisticated chemistry thoroughly cleans exterior glass while leaving behind a layer of protection that delivers a hydrophobic finish that repels water, so it rolls right off
- •IMPROVES VISIBILITY: Premium glass cleaner quickly cleans glass with streak-free results while hydrophobic technology rolls water off exterior glass improving visibility in wet and rainy conditions
- •STREAK-FREE CLARITY: Specialized anti-hazing formula provides streak-free clarity while being safe & effective on exterior glass, vehicle cameras, and sensor housings that are commonly found on and around modern vehicles
- •EASY AND CONVENIENT: Easy to use window cleaner with no towel grabbing. Simply spray on and wipe with a premium microfiber towel or microfiber glass towel such as Meguiar’s Perfect Clarity Glass Towel for quick and easy cleaning with hydrophobic repellent
- •SLICK GLASS REPELLENT: This streak-free glass cleaner and repellent produces a high water beading action and leaves exterior glass slick and clean, allowing water to bead up and roll off for improved visibility in water and rainy conditions
- •125 YEARS OF INDUSTRY LEADERSHIP: In 2026, Meguiar’s celebrates its 125-year anniversary milestone; reflecting on the Brand’s evolution and influence within automotive car and professional-grade solutions — turned DIY, since 1901
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Manufacturer videos
Manufacturer images
Manufacturer specifications
- Product Dimensions
- 1.93 x 4.5 x 9.93 inches; 1.19 Pounds
- Item model number
- G240416
- Date First Available
- October 27, 2023
- Manufacturer
- Meguiar's
- ASIN
- B0CLY2KMLP
- Best Sellers Rank
- See Top 100 in Health & Household
- Item Form
- Liquid
- Scent
- Unscented
- Specific Uses For Product
- Glass cleaner
- Surface Recommendation
- Glass
- Special Features
- safe on vehicle cameras
- Contains Liquid Contents?
- Yes
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