BUTTER-C
Body care
Gentle body wash for mature dry skin OEM/ODM manufacturing
Gentle Body Wash for Mature Dry Skin · Syndet · OEM/ODM
Dry skin is common in older people: in 17 randomly selected nursing homes in Berlin, dermatologists found dry skin in 95.9% of care-dependent residents aged 65 and over (Völzer et al., 2023). According to a review by Wang et al. (2020), the stratum corneum of aged skin holds less water, its total lipid content is more than 30% lower than in young adults, and skin surface pH rises from about age 55. A body wash for this group therefore needs to cleanse gently enough. A systematic review by Lichterfeld-Kottner et al. (2020), covering 63 papers on people aged 50 and over, found that syndet cleansers or amphoteric surfactants helped dry skin more than soap and water, although the studies varied widely in design and measurement. Butter-C provides full-service OEM/ODM manufacturing of fragrance-free gentle body wash for older adults, from formula development and testing to labeled finished goods with the cosmetic product notification, with claims kept within the cosmetic scope: gentle cleansing, helps skin feel less dry and rough.
Formula base
Syndet cleansing system, emollients and humectants
A syndet is a synthetic cleanser that is not soap (soap is an alkaline salt of fatty acids). A gentle body wash for older adults' dry skin consists of four groups of ingredients.
Mild primary surfactants
Amino acid surfactants (Sodium Lauroyl Glutamate) and glucosides (Coco-Glucoside, Decyl Glucoside), chosen to perform well at the mildly acidic pH of the base.
Amphoteric surfactants
Cocamidopropyl Betaine, Sodium Cocoamphoacetate — refine the lather and reduce the impact of the primary surfactant on skin.
Emollients and humectants
Glycerin, Panthenol, sunflower seed oil, PEG-7 Glyceryl Cocoate and cationic polymers (Polyquaternium-10, Guar Hydroxypropyltrimonium Chloride) — replenish part of the lipids washed away and leave skin soft after rinsing.
Fragrance-free, pH-matched preservation
No fragrance. The preservative system is chosen for the agreed pH (Sodium Benzoate with Potassium Sorbate at acidic pH, or Phenoxyethanol) and challenge-tested on the final formula.
Key technical points
Four factors that determine the quality of a gentle body wash for older adults
Clean without dryness or tightness
Just enough total surfactant, using syndet and amphoteric systems instead of soap, in line with the review by Lichterfeld-Kottner et al. (2020); emollients and humectants built into the formula.
Mildly acidic pH, measured on the finished product
The pH range is agreed with you and measured on every batch. The label may state the measured value, but not “balances skin pH”.
Viscosity suited to the pump
Amino acid and glucoside systems are hard to thicken with salt and need polymer thickeners. Viscosity is set so the pump is light to press and the product does not run off the palm.
Quick rinse, mind slippery floors
Moderate lather that rinses off quickly to keep showers short. Body wash left on the floor or in the tub makes it slippery; the label should remind users to rinse the floor after showering (practice suggestion).
Three formulation directions
Three types of gentle body wash for older adults
Clear, fragrance-free syndet gel
Glutamate, glucoside and betaine system; clear base that rinses easily; suits hot, humid climates and people who still shower on their own every day.
Creamy body wash with oils
Adds plant oils, shea butter and lipid-replenishing agents; a noticeably softer feel after rinsing; suits dry seasons and very dry areas such as the lower legs.
2-in-1 shampoo and body wash for assisted bathing
One product for hair and body so caregivers can work faster; eye sting and the feel on hair need additional evaluation.
Packaging is planned with the formula
Easy-to-open pump or flip-top bottles, a bottle shape that is easy to grip with wet hands, large high-contrast label text; large bottles or canisters for care facilities (practice suggestion).
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 on the finished product; kept within the agreed mildly acidic range and within the effective range of the preservative system.
- Viscosity
- Measured with a rotational viscometer at 25°C; also checked after aging tests and matched to the force of the chosen pump.
- Foaming and rinsing
- Foam height and stability and the rinse feel, compared with the approved sample.
- Surfactant content
- Tracked against the formula and tested in the finished product to keep cleansing consistent between batches.
- Stability
- Freeze–thaw cycling and storage at 40°C; separation (especially in the creamy version with oils), color change, base odor change and viscosity drift are tracked.
- Microbiology and preservative challenge
- Tested at a GLP / ISO 17025-accredited laboratory; preservative efficacy (challenge) test per ISO 11930.
- Support for the word “gentle”
- To state “gentle” or “for sensitive skin” on the label, results from an evaluation on human volunteers are needed as support.
- Packaging compatibility
- Filled into the exact bottles and pumps to be used; pump force, leakage and flip-top closure are checked.
Claims
Writing claims within the cosmetic scope
Body wash is a rinse-off product: its main functions are cleansing and creating a skin feel. Annex 03-MP of Vietnam's Circular 06/2011/TT-BYT does not accept claims of preventing, reducing or reversing age-related changes for skin care products. Butter-C reviews the wording on labels and marketing materials as soon as the notification dossier is prepared.
Gently cleanses
Instead of: claims of an effect on itching or on skin disease.
Helps skin feel less dry and rough, not tight after showering
Instead of: restores the skin barrier, regenerates skin.
For older adults' dry skin
Instead of: prevents or reverses skin aging.
pH stated as a measured value
Instead of: balances skin pH, restores skin acidity.
Fragrance-free
Stated when the formula contains no fragrance; base ingredients may still have a faint odor of their own.
Directions for use
Shower with warm, not hot, water and keep it short; pat dry gently with a soft towel and apply moisturizer right after showering (practice suggestion, following our article on older people's skin).
Warnings
For external use only; avoid contact with eyes; stop use if skin becomes irritated. Itching that persists despite gentle washing and regular moisturizing should be checked by a dermatologist.
Manufacturing specifications
Current capabilities
- Texture
- Clear gel, creamy body wash with oils, 2-in-1 shampoo and body wash.
- Format
- Pump bottles, flip-top bottles, refill pouches, large bottles or canisters for care facilities. Volume agreed during packaging selection.
- Minimum order quantity
- Agreed per order.
- Testing
- Performed at a GLP / ISO 17025-accredited laboratory; a certificate of analysis is delivered with every batch.
- Documentation
- The Product Information File (PIF) and cosmetic product notification are prepared by Butter-C.
- Packaging and labels
- Large, high-contrast label text; label design, printing and packing run in parallel with formula development.
Suggested product concept
Fragrance-free gentle body wash for older adults' dry skin
A product concept to help you picture the possibilities — not a ready-made product for sale. The actual formula is developed around your brand's positioning and price range.
Syndet cleansing system
Sodium Lauroyl Glutamate, Coco-Glucoside and Cocamidopropyl Betaine; moderate lather, quick rinse.
Emollients and humectants in the formula
Glycerin, Panthenol, PEG-7 Glyceryl Cocoate and a cationic polymer for a soft feel after rinsing.
Fragrance-free, mildly acidic pH
No fragrance; pH agreed on the sample and measured on every finished batch.
1-liter pump bottle, large label text
Light pump, high-contrast label, with directions to shower in warm water and moisturize afterwards.
Customization options
What you can specify
Within the same product type, each brand targets a different customer group. Tell us your requirements in the areas below, and our team of pharmacists will develop a matching formula.
Cleansing system
Amino acid, glucoside, or a glucoside-free system for people with a known glucoside allergy.
Level of conditioning
Clear gel or creamy with oils; emollient level matched to the climate where it is sold.
Scent
Fragrance-free (recommended); if the retail channel needs a scent, a fragrance-free version is made alongside.
Channel and size
Households (500 ml–1 liter bottles) or nursing homes and care facilities (large sizes, refill pouches).
2-in-1 shampoo and body wash
One product for hair and body, convenient for assisted bathing.
Ingredient positioning
Sulfate-free, paraben-free, colorant-free — please state this from the outset, as it affects the formula base.
Further reading
Related topics
Older people's skin: dryness, itching and daily care
How skin changes with age, when itching needs a doctor, and daily bathing and moisturizing (in Vietnamese).
Types of foaming agents
Differences between sulfates, amino acid surfactants and glucosides in cleansing products (in Vietnamese).
Decyl glucoside in cosmetics
Evidence on mildness and contact allergy for the glucoside group (in Vietnamese).
No-rinse body cleansing lotion manufacturing
For people who are bedridden and cannot easily bathe with water.
Body lotion manufacturing
Whole-body moisturizing after showering.
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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