CarCareTruth Score
Decent, but wear gloves and ventilate.
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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 2
SDS Section 2 classifies the mixture Eye Irrit. 2A (H319) - causes serious eye irritation - at working-solution concentration. No H318 (serious eye damage) at the mixture level.
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.
Translated from the manufacturer’s Safety Data Sheet, Section 2
H315 (skin irritation Cat 2) at SDS Section 2 mixture-level classification, working-solution concentration. Not corrosive (no H314). score-product.ts's chemistry-forcing escalated this from an initially-authored situational tier to recommended because H315 is present at the mixture level; per the documented editorial correction for this product (2026-07-23), the source is recorded as sds_section_2 since the escalating driver is an SDS Section 2 mixture-level H-code, and the pre-escalation situational triggers are dropped since the schema only permits triggers on a situational tier.
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.
Only when: in enclosed space
Translated from the manufacturer’s Safety Data Sheet, Section 8
SDS Section 8 names respiratory protection only conditionally - 'if the working conditions and/or safety measures adopted do not allow keeping the airborne concentration of the product below the exposure limits' - classic boilerplate, not a standing requirement. SDS Section 2 carries no inhalation-hazard H-code (no H334/H335/H336) at the mixture level. Per the full-cautious rule, the category is not omitted because Section 8 does name it; situational for enclosed/poorly-ventilated spaces only.
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.
This product ranks #8 of 13 in All-Purpose Cleaner (APC).Three above it ↓
Last reviewed July 25, 2026
TL;DR Carries a California Prop 65 warning and an SDS WARNING signal word, so wear gloves and eye protection before diluting it 10:1 for exterior work or 20:1 for interior surfaces. At working strength it is manufacturer-confirmed safe on paint, rubber, and interior trim, and owners report it holds up on grease and grime even at the lighter interior dilution.
This citrus-based, dilutable degreaser covers exterior panels, interior carpet and cloth, and engine bay grime from one concentrate bottle. Mix it at the ratio for the job, spray on, agitate soiled spots, and wipe or rinse off. An independent forum test against two competitor APCs on heavily soiled rubber mats found it performed just as well as both, holding up even at the lighter 20:1 dilution. No independent test of heavy engine-bay degreasing turned up, so treat that use as manufacturer-stated rather than confirmed.
Owners who want one concentrate that stretches across interior, exterior, and light engine bay cleaning at an economical dilution get real value here, backed by a large, consistent owner track record. Skip it if you want more documented dilution ratios or independently confirmed heavy-degreasing power; a dedicated engine degreaser fits that job better.
The SDS carries a WARNING signal word from eye and skin irritation at working-solution strength, so eye protection and gloves are the relevant gear; a respirator only matters in an enclosed, poorly ventilated space. It also carries a California Prop 65 warning: the SDS names sulfur dioxide and 1,4-dioxane, linked by the state to reproductive harm and cancer respectively, though neither is a disclosed formulation ingredient at a stated concentration. The SDS reports no aquatic-toxicity classification, no chlorinated solvents, working-solution VOC well under typical thresholds, and mixed biodegradation data on one surfactant, so no biodegradable credit applies.
Chemical Guys directs a 10:1 dilution (water to product) for general exterior cleaning and a lighter 20:1 ratio for interior surfaces like carpet and cloth. Community testing on an AutoGeek Online forum found the more economical 20:1 mix handled heavily soiled rubber floor mats just as well as the stronger 10:1 ratio, so there is little reason to mix it stronger than the surface actually needs.
Chemical Guys states it is safe on paint, metal, plastic, carpet, cloth, and rubber when diluted and used as directed, and no community reports of surface damage turned up in research for this review. The working solution is estimated in the moderately alkaline range, which is standard for the all-purpose-cleaner category rather than an outlier. Glass and leather compatibility are not explicitly confirmed by the manufacturer.
Yes. The SDS names sulfur dioxide and 1,4-dioxane as substances California links to reproductive harm and cancer respectively, and Chemical Guys' own product page discloses the same warning. Neither substance appears as a disclosed formulation ingredient at a stated concentration, which is why the warning is treated as a trace-level disclosure rather than an intentional active.
The SDS classifies the working solution as causing eye and skin irritation, so eye protection and gloves are the relevant protective gear during normal handling. A respirator is only a situational concern in an enclosed, poorly ventilated space; the SDS does not classify the mixture as an inhalation hazard at normal use.
Chemical Guys markets it for engine bay use alongside interior and exterior cleaning, but no independent community test of heavy engine-bay grease removal was found during research for this review. Community testing does confirm strong general cleaning performance on soiled rubber and interior surfaces, so treat the engine-bay claim as manufacturer-stated rather than community-confirmed.
Marketing copy from Chemical Guys, via Amazon. Not editorial.
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