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Is Sodium C14-16 Olefin Sulfonate safe on skin (rinsed off)?

Personal care1 use researched2 sourced claims

Where it turns up: strong cleansing agent, high foam. Detox My Life researched sodium c14-16 olefin sulfonate under one use, because the same substance means something different in each use. Every claim below carries its evidence tier, how sure the research is that it applies here, and the sources it cites. The level is computed by the app's own deterministic engine, so the page says exactly what the app would.

Level by use and lens

UseMainstreamCautious (default)BasedConcerns · favour · fringe
On skin, rinsed offWatchWatchWatch2 · 0

Mainstream shows consensus claims only; Cautious adds emerging research; Based adds fringe claims, labelled as such. The last column counts, under Cautious, the sourced concerns, the findings in its favour and the fringe claims Based would add.

Safer swaps: the app's swap catalog covers the products this turns up in: Conventional body wash. Alternatives are always types, never brands.

On skin, rinsed off Watch

Under the default Cautious lens sodium c14-16 olefin sulfonate on skin (rinsed off) rates Watch: worth watching; the app would list a cleaner alternative type. Mainstream (consensus only) rates it Watch; Based (adds the fringe) rates it Watch. Researched 2026-09-03.

Sourced concerns (2)

ConsensusIrritant · allergenconfidence 100%

Sodium C14-16 Olefin Sulfonate can cause skin irritation and sensitization, particularly if it contains high levels of gamma sultone residues or if used on compromised skin.

Why here
In rinse-off products, while contact time is limited, the ingredient's inherent cleansing power can be stripping, and impurities can cause irritation.
What would have to be true
Dermal exposure in rinse-off products, especially if the product contains gamma sultone impurities above regulatory limits (e.g., >10 ppm for saturated sultones, >1 ppm for chlorosultones, >0.1 ppm for unsaturated sultones) or if used on sensitive or compromised skin.
The other side
The Cosmetic Ingredient Review (CIR) Expert Panel considers sodium alpha-olefin sulfonates safe for use in rinse-off products when gamma sultone impurity levels are strictly controlled. It is also considered milder than Sodium Lauryl Sulfate (SLS) by some sources.
Sources the engine cites:
ConsensusEnvironmentalconfidence 100%

Sodium C14-16 Olefin Sulfonate is readily biodegradable and has a low potential for ecological harm.

Why here
As a rinse-off product ingredient, it enters wastewater systems.
What would have to be true
Environmental release through wastewater from rinse-off product use.
The other side
Canada's screening assessment concluded a low risk of harm to organisms and the broader integrity of the environment due to low exposure potential, despite moderate hazard potential.
Sources the engine cites:

Not researched here

The engine has no dossier for sodium c14-16 olefin sulfonate when cooked with heat, in cold food, as a finishing ingredient, in heated food packaging or other uses. The app researches an ingredient for the use it infers from your product, so a scan fills these in; this page only shows what has already been researched and source-verified.

This is research, not medical advice. Detox My Life shows sourced claims sorted by evidence tier. It does not diagnose, treat, or tell you to start or stop anything. Talk to a qualified professional about your health.

Scan your own. The app reads any product label with your camera, works out how you are about to use it, and researches every ingredient for that use with live sources. Every scan adds to a Detox Score for your home, where 50 is a typical home in your region, and a plan of next swaps.

See also: all ingredients · paste a label to check it · how to read an ingredient flag