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B2B · Private-label formula option

Vitamin C serum — private label & wholesale

Cosmetics-grade vitamin C serum developed as a private-label formula for brands, salons, retailers, and distributors. Choose pure L-ascorbic acid or a stable derivative, the texture, and the pack — Clearion Labs handles OEM development and wholesale supply, not consumer checkout.

vitamin C serum amber dropper bottle

Placeholder illustration · vitamin C serum amber dropper bottle

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Sample-first

Approve before bulk

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Quote ~24h

Business-day replies

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Cosmetics compliance

Personal care framing

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Export-ready

Packaging & logistics

What is a cosmetics vitamin C serum?

A vitamin C serum is a concentrated facial serum built around ascorbic acid or one of its derivatives. In cosmetics, vitamin C is used as an antioxidant and skin-conditioning ingredient, and brands position these serums as giving a brighter-looking, radiant-looking, more even-looking complexion as part of a daily routine.

Buyers search the category as a vitamin C serum, a vitamin C face serum, an ascorbic acid serum, or by a specific derivative name. It is one of the highest-demand serum types in retail, which makes it a natural anchor SKU for a new private-label skincare range.

L-ascorbic acid vs vitamin C derivatives

The first decision in any vitamin C serum brief is which form of vitamin C to use. Each is a formulation choice with trade-offs in texture, pH, stability, and label story:

  • L-ascorbic acid (LAA) — the pure form. Typically formulated in a low-pH water or water-glycol base, often with ferulic acid and vitamin E (tocopherol). The most recognized name, but the least stable once exposed to air, light, and heat.
  • Sodium ascorbyl phosphate (SAP) — a water-soluble salt that is more stable and works at a skin-friendlier pH, suiting gentler gel-serum textures.
  • Ascorbyl glucoside — vitamin C bound to glucose; very stable in water-based formulas and popular in lightweight serums and essences.
  • Tetrahexyldecyl ascorbate (THD ascorbate) — an oil-soluble ester, used in oil serums and anhydrous or emulsion textures with a silky feel.
  • 3-O-ethyl ascorbic acid and magnesium ascorbyl phosphate — further stable options for water-based briefs.

Concentration ranges as formulation choices

Vitamin C percentage is a formulation choice, not a performance promise. Front-of-pack figures like 10%, 15%, or 20% are common for L-ascorbic acid briefs, while derivative serums are often formulated in lower single-digit to low-double-digit ranges depending on the derivative and the base. We help you pick a level that fits your texture, pH, stability target, and price tier; the final percentage is confirmed in the spec sheet and on the INCI list.

Stability & packaging

Vitamin C is sensitive to oxygen, light, and heat, so packaging is part of the formula. Typical choices:

  • Airless pump ~15–30 ml — limits air contact on every dose; our default recommendation for L-ascorbic acid.
  • Amber or opaque glass dropper ~15–30 ml — classic look; best paired with stable derivatives or smaller fills.
  • Two-part / powder-activated formats — powder vitamin C mixed with a serum base at first use; useful for fresh-mix positioning.
  • Ampoules and single-dose capsules — for kits, sampling, and multi-week routines.

Accelerated stability and color-change checks are part of sampling, so you can approve shelf-life and PAO (period after opening) before bulk.

Textures & pairings

Vitamin C serums range from water-light fluids to gel serums and oil serums. Common pairings include ferulic acid, tocopherol, niacinamide (compatible with most derivatives), hyaluronic acid, panthenol, and botanical extracts. Fragrance-free briefs are popular. For a routine story, partners pair a morning vitamin C serum with an evening peptide serum or PDRN serum, then a ceramide moisturizer.

OEM private-label path

  1. Formula brief: texture, key ingredients, fragrance choice, target markets.
  2. Proposed INCI list and spec sheet for your review.
  3. Packaging: airless pump or amber dropper, label, and carton artwork.
  4. Lab samples and revisions, then pilot or bulk production.
  5. MOQ quoted per SKU, based on formula and components.

Vitamin C is a private-label formula option rather than a stock SKU, so every program starts from your brief. Supplier documentation for the vitamin C form (grade, origin, certificates) is confirmed at the brief stage.

Wholesale & range building

Once a vitamin C serum program is in production, salon groups, retailers, and distributors reorder on wholesale open-account terms with carton-based MOQ tiers. A vitamin C serum also slots naturally into a Clearion Labs range: refresh with the hypochlorous acid spray facial mist, tone with rice toner or toner pads, apply the vitamin C serum, then finish with PDRN cream or a ceramide moisturizer.

Compliance: cosmetics claims by market

Vitamin C serum claims must stay within the cosmetics regulations of each destination — US cosmetics labeling, EU Cosmetics Regulation (CPNP notification and Responsible Person), UK, and ASEAN notifications. We provide INCI, specs, stability notes, and supporting documents; final claims are your brand's responsibility and should describe appearance and feel, such as brighter-looking, radiant-looking, more even-looking skin.

We do not support drug-type claims about pigment disorders, and a vitamin C serum on this program carries no UV-related or daylight-defense claims of any kind.

Cosmetics disclaimer

Clearion Labs vitamin C serum products and formulas are cosmetics / personal care intended for topical use on intact skin to hydrate and condition its appearance. They are not drugs or devices, make no disease-related or physiological claims, and are not offered for any clinic procedure. Partner claims must comply with the cosmetics regulations of each market.

FAQ

Vitamin C serum FAQ

What is a vitamin C serum in cosmetics terms?+

A cosmetics vitamin C serum is a facial serum containing L-ascorbic acid or a vitamin C derivative as an antioxidant, skin-conditioning ingredient, positioned for a brighter-looking, radiant-looking complexion — a personal-care product, not a drug.

Should I choose L-ascorbic acid or a derivative?+

L-ascorbic acid is the most recognized name but the least stable; derivatives such as sodium ascorbyl phosphate, ascorbyl glucoside, or THD ascorbate are more stable and suit gentler or oil-based textures. We help you choose in the formula brief.

What percentage of vitamin C can I put on the label?+

Percentage is a formulation choice confirmed on the spec sheet. 10–20% is common for L-ascorbic acid briefs; derivative levels depend on the ingredient and base.

Which packaging keeps vitamin C serum stable?+

Airless pumps and amber or opaque glass are the usual choices, with stability and color checks during sampling. Powder-activated two-part packs are another option.

Is vitamin C serum a stock SKU?+

No. It is a private-label formula option: brief, proposed INCI, samples and stability checks, then production under your brand. Wholesale reorders follow open-account terms; MOQ is quoted per SKU.

Inquiry

Request vitamin C serum quote

Tell us your program needs — we typically reply within ~24 hours on business days.