BUTTER-C
Face care
Dark spot cream manufacturing — brightening and dark spot fading
Dark Spot Brightening Cream · OEM/ODM
"Melasma cream" is what the market commonly calls it; on the label and in the notification dossier, the product is named within the cosmetic scope: a brightening cream that fades the look of dark spots and evens out skin tone. It is also a category regulators inspect closely, because the market has seen adulterated creams containing banned substances. A brand that wants to last needs a formula built on permitted actives, within concentration limits, backed by certificates of analysis — and needs to accept that skin tone evens out over weeks, not days. Butter-C offers full-service OEM/ODM manufacturing, from formula development to labeled finished product with its notification dossier.
Formula base
Acting on several stages of pigmentation
Dark spots form in several steps: trigger signals, melanin synthesis, and melanin transfer to the surface. Formulas usually combine two or three actives working at different stages rather than pushing up the concentration of one.
Actives acting on melanin synthesis
Alpha Arbutin, Kojic Acid, vitamin C derivatives, licorice extract (Glabridin), Hexylresorcinol. Some have concentration limits under the ASEAN Cosmetic Directive annexes; Butter-C checks the current version when developing the formula.
Actives acting on signaling and transfer
Tranexamic Acid and Niacinamide — two stable, easy-to-combine actives suited to daily use. They usually form the backbone of the formula.
Skin surface support
Low-concentration AHAs/PHAs or vitamin A derivatives help the stratum corneum renew more evenly; paired with soothing ingredients (Panthenol, Bisabolol, centella asiatica) to avoid irritation — prolonged irritation makes skin look duller.
What to weigh when choosing
Total active load versus skin tolerance; color stability of the cream; compatibility with a daytime sunscreen; and cost.
Key technical points
Four things a brightening cream must get right
Banned-substance control
Hydroquinone, corticosteroids, mercury and their compounds may not be used in cosmetics. Butter-C does not accept formulas containing them and tests the finished product so that evidence is delivered with each batch.
Stable cream color
Arbutin, Kojic Acid, vitamin C and plant extracts readily turn yellow or brown through oxidation and metal ions. The formula needs a chelating agent, antioxidants, a suitable pH and light-tight packaging.
pH and active compatibility
Each active has its own stable pH range; Arbutin hydrolyzes at too low a pH, and Niacinamide is less stable at strongly acidic pH. The shared pH range is set first, and the accompanying actives are chosen afterwards.
Cream base and skin feel
A hot, humid climate calls for a light, fast-absorbing, non-greasy cream base. The emulsifier system and base oils decide whether users apply it consistently every day — the deciding factor for results in this category.
Three formulation directions
Three ways to position a jar of cream
Daily brightening cream
Tranexamic Acid and Niacinamide in a light cream base, for morning and evening use. A direction for first-time users and sensitive skin.
Rich night cream
Adds actives that support stratum corneum renewal, in a more nourishing base; for evening use, with sunscreen required during the day.
Targeted dark spot cream
Small volume, active concentration at the high end of the permitted limits, applied locally to darkened areas.
Packaging is planned with the formula
Frosted or opaque jars with an inner liner and spatula; oxidation-sensitive formulas should move to tubes or airless pump jars.
Parameters we monitor
What our R&D lab measures on every sample
These are the parameters Butter-C monitors while developing the formula and scaling it up to production. Specific limits are agreed with you on the approved sample and then written into the product's in-house specification.
- Sensory profile & color
- Color, odor, smoothness. Color drift of the cream is tracked across stability checkpoints.
- pH
- Measured at 25°C on a diluted solution; pH drift is tracked over time.
- Viscosity
- Measured with a rotational viscometer; tracked at room temperature and after accelerated aging.
- Emulsion stability
- Centrifugation, freeze–thaw cycling; emulsion droplet size is observed under a microscope.
- Active content
- Key actives are quantified by HPLC at the start and after stability testing.
- Banned substances
- Finished product is tested for hydroquinone, corticosteroids and mercury at an independent testing laboratory.
- Heavy metals
- Lead, arsenic and mercury within the regulatory limits for cosmetics.
- Microbiology & preservative efficacy
- Tested at a GLP / ISO 17025-accredited laboratory; preservative efficacy (challenge) test per ISO 11930.
- Packaging compatibility
- Filled into the actual jar or tube to be used; seal integrity and discoloration where the cream touches the cap are checked.
Claims
Writing claims within the cosmetic scope
Product names and claims in this category are where notification dossiers most often get sent back for revision. Butter-C reviews the wording on the label and marketing materials as soon as the dossier is prepared; below are commonly used phrasings.
Product name
Brightening cream, dark spot fading cream, tone-evening cream. Instead of: melasma treatment cream, intensive melasma cream, melasma removal cream.
Helps fade the look of dark spots and dull patches
Instead of: treats melasma, removes melasma, eliminates melasma at the root, prevents recurrence.
Helps skin look brighter and more even-toned
Instead of: rapid whitening, bleaching, whiter by several shades.
Time to visible results
Numbers of days or weeks, or percentages, are stated only when supported by human test results.
Usage advice
Daytime sunscreen is recommended. Persistent or spreading darkening of the skin should be examined by a dermatologist — cosmetics are not a substitute for that.
Ingredient names on the label
Correct INCI names in descending order of content; "corticosteroid-free" is not stated as a benefit, since it is a mandatory requirement.
Manufacturing specifications
Current capabilities
- Textures
- Light cream, rich cream or gel cream; milky white to ivory depending on the actives.
- Formats
- Jars, tubes or airless pump jars. Net weight is agreed when choosing packaging.
- Minimum order quantity
- Agreed per order — depends on the formula direction and chosen format.
- Testing
- Performed at a GLP / ISO 17025-accredited laboratory; a certificate of analysis is delivered with each batch.
- Documentation
- The Product Information File (PIF) and the notification dossier are prepared by Butter-C.
- Packaging
- Label design, printing and packing run in parallel with formula development.
Reference product
Butter-C Phyto Ground Dark Spot Cream
A Butter-C product currently in production, shown here to give you a concrete product direction. Your brand is free to take a different direction — this is simply a starting point for discussion.
Plant-based focus
"Phyto" — brightening actives of plant origin are at the center of the formula.
Label claim
Brightening & Even Tone — brightens and evens out skin tone, within the cosmetic scope.
Texture
A milky white cream that flows smoothly and spreads thinly on the skin.
Jar format
Frosted jar with a white lid; the label is printed directly on the jar.
Customization options
What you can specify
The same product type can serve very different customer groups depending on the brand. Tell us your requirements in the areas below and our team of pharmacists will develop a matching formula.
Core active set
Tranexamic Acid, Niacinamide, Arbutin, vitamin C derivatives or plant extracts — choose two or three.
Time of use
Day cream, night cream or both; this determines the cream base and the supporting actives.
Texture
A light fast-absorbing cream, a rich nourishing cream or a gel cream for oily skin.
Fragrance
Fragrance-free, lightly scented or a scent matching your brand positioning.
Companion products
A brightening serum, sunscreen and cleanser from the same line to sell as a set.
Ingredient direction
Vegan, alcohol-free, paraben-free — please tell us at the outset so suitable raw materials can be selected.
Further reading
Related topics
Managing skin pigmentation
How melanin forms and the stages cosmetics can act on (in Vietnamese).
Melazero in cosmetics
A new-generation brightening ingredient (in Vietnamese).
Brightening serum manufacturing
A product often paired with the cream in a brightening set.
Cosmetic labeling rules
Words not to use on the label and what to say instead (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).
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