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Optimum Optimum No Rinse Wash & Shine (ONR Version 5)

Small Business#40 in Cleanersliquid
$27.79

Priced as of May 6, 2026

4.7(9,310 ratings)Subscribe & Save: $26.40 (5% off)Buy on Amazon

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From the Safety Data Sheet

Full SDS ↗ (rev. 2020-07-16)

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 §8 · 29 CFR 1910.133(a)(1) · GHS H320
SkinSituationalMfr. SDS §8 · 29 CFR 1910.138(a) · GHS H316
LungsSituationalMfr. SDS §8
VentilationNo PPE in published sources

Show details for all categories ▾

EyesSituational

From the manufacturer’s Safety Data Sheet, Section 8

SDS §2 classifies the product as Eye Irritation (H320, mild — Cat 2B equivalent) — below the H319 (Cat 2A) threshold that drives a deduction in the rubric. SDS §8 advises safety glasses; pouring concentrate or wiping overhead panels are realistic splash pathways.

Optimum

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.

UN GHS hazard statement

H320

Causes eye irritation

UN GHS Rev. 9 (2021)

CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.

SkinSituational

From the manufacturer’s Safety Data Sheet, Section 8

SDS §2 classifies the product as Skin Irritation (H316, mild — Cat 3) — below the H315 (Cat 2) threshold that drives a deduction. SDS §8 recommends Viton gloves for handling concentrate; brief incidental hand contact during towel work is normal.

Optimum

U.S. regulatory standard

29 CFR 1910.138(a)

appropriate hand protection when employees' hands are exposed to hazards such as those from…

OSHA standards apply to workplaces. Cited here as the U.S. reference threshold for the underlying hazard class.

UN GHS hazard statement

H316

Causes mild skin irritation

UN GHS Rev. 9 (2021)

CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.

LungsSituational

From the manufacturer’s Safety Data Sheet, Section 8

No H335, H331, or H334 in SDS §2; the SDS §8 respirator language is generic 'where risk assessment shows' boilerplate — not a chemistry-driven directive. ONR is used at 1:256 working dilution with no aerosol generation. Situational with enclosed_space trigger covers the edge case of bucket-mixing in a closed garage with no ventilation; in normal outdoor or vented use, no respiratory protection is indicated.

Optimum

CarCareTruth publishes the cited sources verbatim and does not advise what action a user should take. Consult the full SDS before use.

Ventilation

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.

CCT

CarCareTruth's Analysis

Last reviewed May 15, 2026

TL;DR Category benchmark for rinseless washing — community-confirmed safe on darker paint with correct technique, and one 32-oz concentrate makes 64 wash buckets.

What it is and how it performs

Mix one ounce per two gallons, dunk a microfiber, wring, wipe a panel top-down, then dry with a separate towel. Across 9,000-plus Amazon reviews and a decade of forum threads, the lubricity verdict is consistent — even on dark paint, marring is not a recurring complaint when the towel is rotated and contamination stays light. First-time users on caked-on dirt do report micro-marring; that is technique and soil load, not the product. The same bottle doubles as a clay lubricant or quick-detailer at higher dilutions.

Who should buy this — and who should skip it

Best fit: apartment dwellers, water-restricted regions, and garage detailers maintaining lightly-dusty paint between full washes — one bottle handles wash, clay lubrication, and quick-detail duty. Skip it if your car carries visible road film, mud, or salt; that contamination still belongs in a soap bucket with a hose rinse.

Safety and environmental impact

The SDS (rev. July 2020) carries signal word WARNING with mild irritant codes H316 (skin) and H320 (eye), both below the rubric's deduction thresholds. No Prop 65, no PFAS, no Cat-1 hazards. Safety glasses make sense while pouring concentrate; gloves are situational for prolonged contact. The rinseless format eliminates 60–100 gallons of hose water per wash — chemistry stays in the microfiber, not the storm drain.

Frequently asked questions

How do you actually use ONR Wash & Shine?

Mix one ounce per two gallons of water in a clean wash bucket. Dunk a plush microfiber, wring it out so it's wet but not dripping, then wipe one panel at a time from the top down. Use a separate dry microfiber to immediately buff the panel dry. Rotate to a clean towel face for each new panel. The label also lists higher dilutions for clay-bar lubrication (1 oz/gallon) and quick-detail use (4 oz/gallon).

Is ONR really scratch-safe on dark paint?

Community evidence across r/AutoDetailing, Detailing World, and AutoGeek over more than a decade is consistently yes — when the technique is correct (top-down wiping, frequent towel rotation, light-to-moderate contamination, separate dry towel). Multiple Amazon long-form reviews on black paint specifically confirm no swirling. The catch: the same threads document that first-time rinseless users on heavily-soiled cars do report micro-marring. That is technique and contamination loading, not the formula — but it is a real beginner failure mode worth flagging.

Is the silicone in ONR the bad kind (D5)?

Almost certainly no. SDS §3 lists 'dimethyl siloxane' generically without naming the cyclic D5 (decamethylcyclopentasiloxane, CAS 541-02-6) that EU regulators classify as very persistent and very bioaccumulative. Optimum's chemistry positioning is built around substantive PDMS polymer slip aids (CAS 63148-62-9), not cyclic siloxanes. SDS §12 makes no vPvB designation. The rubric's −1.5 environment deduction for D5 does not apply on present evidence; this would need to be revisited if a future SDS revision specifically identifies cyclic D5.

Why is the SDS five years old?

The current SDS on Optimum's distribution channels is dated 2020-07-16, before the 2023 'Version 5' label update. Whether the V5 reformulation triggered a new SDS revision could not be confirmed as of this scoring round. The 2020 document remains the latest version Optimum has published; the validator emits a soft warning for revision age but the chemistry described is consistent with what the V5 product is sold as.

Does ONR replace a regular wax or sealant?

No. ONR includes light polymer slip aids that add minor surface lubricity, but it is not a wax or sealant — it does not leave durable hydrophobic protection. Pair it with a separate spray sealant or paste wax for paint protection between full detail sessions.

From the manufacturer

Marketing copy from Optimum, via Amazon. Not editorial.

  • The Premium Car Wash Soap Alternative: Optimum No Rinse Concentrate only requires 1 oz per 2 gallons of water - enough to wash your entire car! The versatile formula can also be used as a clay bar lubricant.
  • Increased Polymer Protection: ONR Rinseless Wash contains a blend of unique polymers that encapsulate and emulsify dirt, creating a barrier between dirt particulates and the automotive finish.
  • Total Car Cleaning All-In-One: ONR safely cleans and protects all exterior surfaces, trim, wheels, and glass; and interior surfaces, including leather, upholstery, vinyl, dashboards, infotainment, and more.
  • Version 5: 2023 release of ONR No Rinse Version 5 formula provides increased lubricity, gloss, shine, and longer protection.
  • Great for Indoor and Off-Season Detailing: Rinseless Car wash means you can detail from the comfort of your garage. Unlike traditional car shampoo, there are no soapy surfactants, so no rinse is required!
  • Eco Friendly Car Wash: Rinseless car wash allows you to wash your car with minimal water usage. Great for water conservation in areas experiencing drought or water-use restrictions.

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Manufacturer videos

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Manufacturer specifications
Is Discontinued By Manufacturer
No
Product Dimensions
10.2 x 3.8 x 3.2 inches; 2.3 Pounds
Item model number
NR2010Q
Date First Available
January 20, 2006
Manufacturer
Optimum
ASIN
B00D8DR0AO
Best Sellers Rank
See Top 100 in Automotive
Item Form
Liquid
Scent
Friendly Car Scent
Specific Uses For Product
Automotive Interior, Countertop, Floor, No Rinse car wash, Tile
Surface Recommendation
Glass, Plastic, Metal, Rubber, Leather
Special Features
No Rinse

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