Private Label Shampoo and Conditioner: A Sourcing Guide
Hair care is easier to source and harder to get right than skincare. The raw materials are cheaper, the packaging is simpler, and the production process is faster. But customers judge a shampoo on the first wash, and they can tell the difference between a well-built formula and a cheap one within ten seconds. There is no slow burn here.
Shampoo Starts With the Surfactant System
The primary surfactant does the cleaning and creates the foam. The three families you will be offered:
- SLS and SLES — strong cleaning, excellent foam, low cost. Harsh on colour-treated and dry hair, and increasingly rejected by consumers who avoid sulfates on principle.
- Sodium cocoyl isethionate and sodium lauroyl methyl isethionate — the standard "sulfate-free" choice. Milder, denser and creamier lather, roughly twice the cost.
- Amino acid surfactants (sodium cocoyl glycinate and similar) — the premium tier. Closest to scalp pH, gentlest, highest cost.
Almost every commercial shampoo blends two or three surfactants. The blend is what delivers foam, mildness and cost simultaneously — asking for a single-surfactant formula usually means accepting a compromise somewhere.
Secondary Surfactants and Thickeners
Secondary surfactants (cocamidopropyl betaine is the most common) boost foam and reduce irritation. Thickeners — typically sodium chloride for sulfate systems, or PEG-based and polymeric thickeners for sulfate-free — control how the product pours and how much the customer perceives they are getting.
This is where sulfate-free formulas get difficult. Salt thickening does not work well without sulfates, so a sulfate-free shampoo needs a different thickening approach, which is a large part of why it costs more.
Conditioner Is a Different Product Entirely
Conditioner is a cationic emulsion. The key ingredient class is cationic surfactants — cetrimonium chloride, behentrimonium methosulfate and similar — which carry a positive charge that binds to negatively charged hair. This is why conditioner and shampoo formulations share almost no raw materials.
The variables that matter:
- Cationic surfactant choice — determines how slippery the product feels and how well it detangles.
- Fatty alcohols — cetyl and stearyl alcohol provide body and a creamy texture. They are not drying alcohols, despite the name.
- Silicones — amodimethicone and dimethicone deliver slip and shine. Widely used and widely criticised; the current market trend is toward silicone-free, which is achievable but requires more careful formulation.
- pH — conditioners run acidic, typically 3.5 to 4.5, which closes the hair cuticle and improves shine. Getting this wrong is one of the fastest ways to make hair feel rough.
What Customers Actually Notice
Three things, in order: how the product lathers, how hair feels after rinsing, and how it looks after drying. Everything else — the ingredient story, the fragrance, the packaging — supports those three.
If you are formulating a first hair care line, spend your development budget on getting the lather and the after-rinse feel right, and let the marketing follow. The opposite approach produces a beautiful bottle with a product inside that does not get reordered.
Packaging Notes for Hair Care
Shampoo and conditioner are usually 250 to 500 ml, in a pump, disc-top or flip-top bottle. Two practical points: pumps need a viscosity the product will actually pass through, and if you sell shampoo and conditioner as a pair, the two products often need different thickeners to match the same pack. Ask your manufacturer to test both in the final bottle, not a generic one.
Testing Before Bulk
- Accelerated stability, with particular attention to viscosity drift — shampoo thickens or thins over time.
- Preservative efficacy. These are high-water, repeatedly opened products in a wet environment.
- Compatibility with the actual pack, especially for pumps.
- Fragrance stability, since fragrance can discolour a clear formula.
Build a Hair Care Line That Gets Reordered
OEM COSMETICS ODM produces shampoo, conditioner and treatment products across ISO 22716 and GMP certified lines, with sulfate-free, silicone-free and traditional systems available. Send us a benchmark product you want to match, and we will tell you how close we can get at your price point.
Talk to our team: WhatsApp +86 18709713948 · Email adon@oemcosmeticsodm.com · Website www.oemcosmeticsodm.com
