BUTTER-C
Body care
2-in-1 shampoo & body wash OEM/ODM manufacturing
2-in-1 Shampoo & Body Wash · OEM/ODM
A 2-in-1 shampoo & body wash combines two care steps in one bottle: washing hair and body with the same product. This category is popular with men, children, athletes and frequent business travelers, as well as hotels and gyms — places that need something compact, quick and shared. The challenge is that hair and skin have different needs: the scalp produces more oil and needs thorough cleansing, the hair shaft needs conditioning to prevent tangles, while the skin on the body doesn't need hair conditioners left behind. A good formula balances all three, with a pleasant scent that suits many users. Butter-C offers full-service OEM/ODM manufacturing, from formula development to a labeled finished product with its cosmetic product notification.
Formula base
Cleansing system, hair conditioners and a shared scent
A 2-in-1 shampoo & body wash is built on a mild shampoo base, adjusted so it can also be used on the whole body.
Cleansing system
Sodium Laureth Sulfate combined with Cocamidopropyl Betaine for mass-market lines; amino acid and glucoside systems for mild and children's lines. Strong enough to remove oil from the scalp without drying the skin on the body.
Hair-conditioning polymers
Cationic polymers (Guar Hydroxypropyltrimonium Chloride, Polyquaternium-10) deposit on the hair during rinsing, reducing tangles and making hair easier to comb; at moderate levels they leave no greasy feel on skin.
Moisturizers
Glycerin, Panthenol, the refatting agent PEG-7 Glyceryl Cocoate — reduce dryness and tightness of skin and hair after rinsing.
Scent and sensation
Neutral scents that suit many users: woody, citrus, herbal; Menthol for a cooling feel in men's and sport lines.
Key technical points
Four things that determine 2-in-1 product quality
Balancing cleansing and conditioning
Too much cleansing leaves hair dry and frizzy and skin tight; too much conditioning makes hair limp and skin greasy. The ratio of surfactants to cationic polymers is tuned in both hair-washing and body-washing tests.
Tangle-free hair after washing
Evaluating slip during rinsing and ease of combing on wet and dry hair; long and short hair give different results.
Gentle on the eyes
Shampoo easily runs into the eyes, especially for children. The cleansing system is chosen to be mild; a "no tears" claim is made only with supporting test results.
A scent everyone can share
The scent must appeal across ages and genders and not overpower any perfume the user applies afterward; scent stability is checked after aging tests.
Three formulation directions
Three common 2-in-1 lines
2-in-1 for men
Good oil removal, a cooling mint feel, woody or herbal scent; rich lather that rinses quickly.
2-in-1 for children
A very mild cleansing system, pH close to skin, little fragrance, no colorants; designed to be gentle on the eyes.
2-in-1 for hotels and gyms
A scent most people find pleasant, a reasonable cost per liter, supplied in large containers for refilling wall-mounted dispensers.
Packaging designed alongside the formula
Large pump bottles, flip-cap bottles, refill containers. Viscosity must suit pumps and wall-mounted dispensers.
Parameters we monitor
What our R&D lab measures on every sample
Below are the parameters Butter-C monitors during formula development and scale-up to production. Specific limits are agreed with you on the approved sample and then written into the product's in-house specification.
- pH
- Measured directly at 25°C; kept in a range that is mild for scalp and body skin and suited to the preservative system.
- Viscosity
- Measured with a rotational viscometer at 25°C; rechecked after adding fragrance and after aging tests.
- Foaming
- Foam height and stability; also evaluated in the presence of oil on hair to simulate dirty hair.
- Conditioning performance
- Evaluated on hair tresses: slip during rinsing, ease of wet and dry combing, compared with a control sample.
- Stability
- Freeze–thaw cycling, storage at 40°C; monitoring for separation, haze, color change, odor change and viscosity drift.
- Microbiology and preservative challenge
- Tested at a GLP / ISO 17025-accredited laboratory; preservative efficacy (challenge) test according to ISO 11930.
- Eye mildness (if claimed)
- Alternative in vitro model testing at an independent testing facility, when you want to claim gentleness to the eyes.
- Packaging compatibility
- Filled into the actual bottles and containers to be used; checking pump force, leakage and staining.
Claims
Writing claims within the cosmetic scope
A 2-in-1 is a rinse-off product for both hair and skin; the claims on the label must hold true for both. Butter-C reviews the wording on labels and marketing materials while preparing the cosmetic product notification.
Cleanses hair and body in one step
Instead of: antibacterial for the whole body, kills odor-causing bacteria.
Soft, easy-to-comb, tangle-free hair
Instead of: repairs damaged hair, regenerates hair.
Skin doesn't feel dry or tight after washing
Instead of: repairs skin, treats dry skin.
Cool, refreshing sensation
Instead of: treats dandruff, relieves itchy scalp.
Mild, suitable for children
Claim only when the formula and test results support it; state the age range clearly.
No tears
Claim only with supporting eye-mildness test results.
Manufacturing specifications
Current capabilities
- Texture
- Clear gel or opaque pearlescent gel; with or without a cooling feel.
- Packaging format
- Pump bottles, flip-cap bottles, refill containers for hotels and gyms. Volume agreed when selecting packaging.
- Minimum order quantity
- Agreed per order and per scent.
- Testing
- Performed at a GLP / ISO 17025-accredited laboratory, with a certificate of analysis delivered with each batch.
- Documentation
- Product Information File (PIF) and cosmetic product notification dossier prepared by Butter-C.
- Packaging
- Label design, printing and packing run in parallel with formula development.
Suggested product concept
2-in-1 shampoo & body wash for men, woody mint scent
A product concept to help you visualize the possibilities — not a ready-made product for sale. The actual formula is developed to match your brand's positioning and price range.
Good oil removal
A Sodium Laureth Sulfate and Cocamidopropyl Betaine system with rich lather that rinses quickly after a workout.
Tangle-free hair
A guar-derived cationic polymer helps short hair hold its shape and style easily after blow-drying.
Cooling feel
Menthol at a moderate level for a refreshing sensation, adjusted to limit eye stinging during washing.
Woody and mint scent
A masculine scent that isn't overpowering, suited to daily use; a large pump bottle for the family.
Customization options
What you can specify
The same product type can serve very different customers depending on the brand. Tell us your requirements in the areas below, and our team of pharmacists will develop a matching formula.
Target users
Men, children, families, hotels, gyms.
Cleansing and conditioning level
Fresh, deep cleansing for oily hair or soft conditioning for dry or long hair.
Scent
Woody, citrus, herbal, a children's scent or fragrance-free; you can provide a reference scent sample.
Cooling feel
With or without Menthol; cooling from light to strong.
Hero ingredients
Honey locust (bo ket), pomelo, green tea, lemongrass, peppermint, oat.
Ingredient direction
Sulfate-free, paraben-free, silicone-free, colorant-free — please specify these from the start.
Further reading
Related topics
Body wash manufacturing
A dedicated body line, for brands that want separate body wash and shampoo.
Types of foaming agents
Choosing a cleansing system for a product used on both hair and skin (in Vietnamese).
Cosmetic labeling rules
Mandatory label content and how to state the age range (in Vietnamese).
Manufacturing under ASEAN CGMP
The cosmetic good manufacturing practice principles applied at the factory (in Vietnamese).
How we work
From idea to finished batch
Eight steps and three milestones signed off by both sides: approved sample, notification number, finished batch. Step-by-step details (in Vietnamese) →
Get started
Tell us about the product you plan to launch
Send us your product direction and expected volume. Our team will get back to you during business hours (Vietnam time, GMT+7).
Head office: Huu Le village, Dai Thanh commune, Hanoi · Factory: Thanh Oai Industrial Cluster, Binh Minh commune, Hanoi, Vietnam
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