CarCareTruth Score
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Prices may varyHealth score is for adult use as intended, per the manufacturer's SDS. It does not model child ingestion, accidental spill cleanup, or off-label use. See the safety panel below for full hazard classification, and /disclaimer for the full editorial scope.
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.
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Translated from the manufacturer’s Safety Data Sheet, Section 8
SDS Section 8 recommends safety glasses or goggles if eye contact is possible. Section 2 carries H320 (Eye Irritation Category 2B), and Section 11 reports genuine moderate eye irritation on contact (redness, swelling, pain, tearing, blurred vision). This is a pump-spray product, so incidental mist contact during normal use is realistic, not a remote scenario.
U.S. regulatory standard
29 CFR 1910.133(a)(1)
“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.
Translated from the manufacturer’s Safety Data Sheet, Section 8
SDS Section 8 calls gloves 'not normally required' for brief contact but recommends impervious gloves (rubber, neoprene, or nitrile) for prolonged or repeated contact. Section 11 reports a genuine allergic skin reaction in sensitive individuals on contact (redness, swelling, blistering, itching), so the recommendation reflects real toxicology data rather than boilerplate, even though Section 2 carries no skin H-code.
CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.
Only when: when spraying · in enclosed space
Translated from the manufacturer’s Safety Data Sheet, Section 8
SDS Section 8 states general ventilation equivalent to outdoors should be adequate under normal conditions, and Section 11 reports no respiratory tract irritation. Section 2 carries no inhalation H-code. As a spray product, brief mist exposure in a closed garage with poor airflow is the realistic trigger; routine outdoor spray-and-wipe use does not need respiratory protection.
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.
Scope of these PPE tiers. The tiers on this page translate the product's Safety Data Sheet where one is published, plus its ingredient chemistry, into a comparable rating. They describe a formulation, not a situation: a tier is not a safety determination for any specific user, task, quantity, or environment. The manufacturer's label and use instructions govern how the product is handled. Where the product is used at work, the employer's PPE program and hazard assessment under 29 CFR 1910.132 decide what protection is selected, not this page.
No warranties. CarCareTruth makes no warranties, express or implied, and expressly disclaims the implied warranties of merchantability and fitness for a particular purpose.
This product ranks #9 of 14 in Glass Cleaner.Three above it ↓
Last reviewed June 27, 2026
TL;DR Ammonia-free confirmed from the safety data sheet, safe for aftermarket tint, with streak-free results for most owners when two cloths are used. Carries a California Prop 65 warning from trace preservative chemistry, not from any harsh solvent.
Signature Series Glass Cleaner is a pump trigger spray for automotive glass, windows, and mirrors. Spray it on the glass, wipe with a clean microfiber, then buff with a second dry cloth. It handles interior windshield outgassing film, road-grime haze, and exterior glass in a single pass for most owners. A minority of owner reports cite streaking; nearly all trace to wrong cloth type or application on hot glass in direct sun, pointing to technique rather than formula failure.
The right buy for any car owner who wants a reliable glass cleaner confirmed safe for aftermarket window tint and rain-repellent treatments. Skip it if full ingredient transparency matters; the safety data sheet withholds some formula details as trade secret, and the SDS is only retrievable via web archive rather than directly from the brand.
The safety data sheet classifies this product as WARNING based on two mild codes: potential oral harm if swallowed and mild eye irritation from direct contact. The safety data sheet recommends safety glasses and, for prolonged or repeated handling, impervious gloves; it reports no respiratory hazard for normal pump-spray use, with a closed, poorly ventilated space as the only realistic trigger for that concern. Chemical Guys discloses a Prop 65 warning traced to a preservative at less than 0.001% that can release trace formaldehyde. Environmental footprint is low: water-surfactant formula with negligible VOC and no aquatic toxicity classifications.
Yes, confirmed from the safety data sheet Section 3 ingredient list. No ammonium hydroxide (CAS 1336-21-6) appears in the formula. Safe for aftermarket adhesive-backed window tint and rain-repellent treatments, which ammonia-containing cleaners degrade over time.
The 2019 safety data sheet Section 15 stated no Prop 65-listed chemicals. The current product label and brand product page now disclose formaldehyde as a potential exposure. The mechanism is indirect: DMDM Hydantoin, a preservative at less than 0.001% of the formula, can slowly release trace formaldehyde, which is a Prop 65-listed carcinogen. Chemical Guys added this disclosure voluntarily. The concentration is negligible, but the warning is real and the product carries it.
The safety data sheet classifies this product as WARNING based on two mild codes: potential oral harm if swallowed (not a normal use scenario) and mild eye irritation from direct contact. There are no serious health hazard codes (no corrosive, respiratory-sensitizer, or acute-toxic-category-1/2 classifications) in this formula. The safety data sheet does recommend safety glasses if eye contact is possible and gloves for prolonged or repeated handling.
Owner evidence consistently traces streaking to cloth selection and technique rather than formula failure. Using a clean, lint-free glass microfiber and wiping in one direction on cool glass in shade eliminates the issue for most users. Applying on a hot surface in direct sun is the most common cause of streaks, as the product evaporates before it can be buffed off properly.
The brand explicitly markets this formula as safe for navigation screens, LCD surfaces, and plastic windscreens, in addition to glass. The formula is water-based with a surfactant at low concentration; no harsh solvents appear in the safety data sheet ingredient list that would degrade plastic or screen coatings under normal use.
Marketing copy from Chemical Guys, via Amazon. Not editorial.
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