Hair Relaxer Cream

Applicable Standard: KS EAS 338:2013 (KEBS) — Chemical Hair Relaxers and Hair-Waving Products — Specification

Chemical hair relaxer occupies an unusual regulatory position within cosmetics because, unlike a lotion or shampoo, it functions by design as a controlled corrosive: lye-based formulations work through sodium hydroxide at a strongly alkaline pH, and no-lye formulations rely on calcium hydroxide or guanidine carbonate systems that are gentler but still far outside any skin-neutral range. KS EAS 338:2013 reflects that reality by setting a defined causticity and pH window the product must sit within, plus a set of precautionary labeling requirements that go well beyond what a standard cosmetic label needs. Importers who treat relaxer as “just another hair product” and apply the same compliance checklist they use for shampoo are the ones who most often get caught out, because the corrosive-chemistry side of this category carries its own documentation expectations independent of the cosmetic side.

Why This Category Gets Flagged

The most frequent issue is incomplete precautionary and directions-for-use labeling. KS EAS 338:2013 requires specific on-pack instructions — scalp-protector or base-cream application before treatment, a strand test before full application, defined processing time, and a neutralizing-shampoo step — and these are the details most often missing or abridged when a brand imports label artwork designed for a different market’s regulatory template rather than building one to the local requirement. The second issue is active alkali content that is not documented against the declared strength: pH and causticity for lye-based relaxers is expected to sit within a defined band (regulatory testing in Kenya has found relaxers ranging roughly pH 11–13), and a product sitting legally within that band but at its extreme upper end is still flagged for closer review because of the elevated scalp-burn risk, particularly when the “for professional use only” designation is missing from a higher-strength formulation. Third, formaldehyde-releasing preservatives used in the accompanying neutralizing shampoo or conditioner — ingredients such as DMDM hydantoin or quaternium-15 — are scrutinized more closely in this category than in a typical leave-on lotion, because they are being applied to a scalp already chemically stressed by the relaxing process itself, and undisclosed use is treated as a compounding risk rather than a minor omission. Fourth, relaxer is rarely shipped alone — it typically arrives as a kit bundled with a neutralizing shampoo, a conditioner, and sometimes a scalp-protector cream, and it is common for the bundled items to travel with no independent labeling of their own, on the assumption that the relaxer’s own label covers the whole kit. Each component that makes contact with skin or scalp is assessed as its own product under the general cosmetic standard, and an unlabeled “bonus” conditioner in the box is exactly as much a labeling defect as an unlabeled standalone product would be.

Test Parameters

Labeling Requirements

Beyond the standard product name, full INCI ingredient list, batch code, and manufacture/expiry dates, KS EAS 338:2013 requires step-by-step directions for use covering scalp-protector application, strand testing, maximum processing time, and the neutralizing step; a “for professional use only” designation on any formulation strong enough to warrant it; and explicit warnings against use on a damaged, irritated, or recently chemically-treated scalp, or in combination with another chemical service (color, perm) on the same day. All of this must appear in English regardless of the exporting country’s language — a relaxer label printed only in the country of manufacture’s language is rejected on that basis alone, independent of the formulation’s actual safety. Because the precautionary and directions-for-use content is itself part of what KS EAS 338:2013 requires, treating it as optional marketing copy that can be trimmed to fit packaging space is a compliance decision, not just a design one, and it is reviewed with the same weight as the ingredient list itself.

Packaging & Documentation

A Certificate of Conformity is issued following KEBS conformity assessment, with the applied route — document review, document review plus sampling, or full physical inspection — set by a risk assessment carried out on receipt of the request. Corrosive-chemistry products like chemical relaxer are treated as an elevated-risk category by default, and a missing Safety Data Sheet or an unclear “professional use only” designation is one of the fastest ways a shipment gets escalated to the more intensive end of that scale rather than clearing on document review alone.

Typical Gaps We Find

Incomplete or poorly adapted directions-for-use text is the single most common defect we see — scalp-protector instructions, strand-test guidance, or the neutralizing-shampoo step present in the manufacturer’s home-market label but dropped or shortened in the version prepared for export. Close behind are “no-lye” or “gentle” claims made without a documented active-alkali percentage to support them, and undeclared formaldehyde-releasing preservatives in the neutralizing kit bundled alongside the relaxer itself. None of these are formulation failures in the sense of the product being unsafe as manufactured — they are documentation and label-adaptation failures, and they are the exact gaps a pre-shipment assessment is designed to catch while they are still inexpensive to fix. These are documentation and kit-assembly gaps sitting on top of a chemically sound product in the great majority of cases we review — which is precisely why they are worth catching in a pre-shipment assessment rather than discovering them for the first time when a consignment is already sitting in a bonded warehouse.