Wholesale Vitamin C Serums & Oils

Offer brighter, smoother, more even skin with this vitamin C serum collection. These formulas target dullness, dry skin, and wrinkles. Stock options ship in three weeks with no order minimums!


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  • FDA-Registered & ISO-Certified Manufacturing

    Stringent quality control ensures safe, effective skincare products.

  • Clean, Cruelty-Free Beauty

    Naturally derived, organic ingredients with no harmful additives. 100% cruelty-free – never tested on animals.

  • Low Minimum Order Quantity

    Buy Direct / Wholesale with no minimum order. Private Label Stock requires just a 10-gallon minimum, while custom formulations start at 25 gallons.

4 products

Now Offering Pay Later with PayPal

You can now split your RainShadow Labs purchase into manageable payments with PayPal’s Buy Now, Pay Later. Launch your private label skincare line today—pay in 4 interest-free, or monthly with a fixed interest rate.

Select “Pay Later” at checkout and keep cash flow on your terms.

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Brightening and Firming Serums for Skincare Brands

Customers want skincare that improves texture and glow without the wait. This collection offers that and more. 

Each formula supports hydration and firmness with skin-loving ingredients like hyaluronic acid, fruit extracts, aloe, and pure L-ascorbic acid. These stock serums are ready to be labeled, stocked, and sold under your brand. 

All formulas are available in 2-oz sample sizes so you can evaluate the scent, texture, and performance before placing a bulk order.

Browse Our Vitamin C Serum Collection

Every client’s skin is different. Some need deep hydration. Others want fast-acting brighteners. This collection gives you both.

Each formula is developed to target specific skincare needs. You can mix and match them to serve a wider customer base.

Order Products With Zero Minimums

Every vitamin C serum in this line is available without a minimum order. Begin with a 2-oz sample to test the formula for your business needs. 

Stock bulk vitamin C serum orders are prepared in three weeks. Fill orders begin at 10 gallons. You may supply your packaging or ask us to connect you with premium packaging vendors.

Customize The Serums to Match Your Brand

We offer two customization options:

Semi-Custom Formulas

You can make small changes like scent, consistency, or swapping a key ingredient for $3,500 per product. This option keeps the original base while aligning it better with your customer preferences.

Full Custom Formulation

Looking to create something entirely your own? We can develop a brand-new skincare product built around your specifications.

This includes development, testing, and exclusive ownership. The minimum for this option is 25 gallons, and production may take up to 24 weeks.

Approved fill orders are completed within eight weeks.

Launch Your Vitamin C Collection!

You can offer one of these serums or combine them into a full face care collection. Start with a sample or scale immediately with a bulk order. 

Whether you're growing your brand or launching new products, this vitamin C collection supports your business.

Order your 2-oz samples and add a high-performance glow solution your customers will love!

FAQs About Wholesale Vitamin C Serums

How long does it take to receive a stock order?

Stock bulk vitamin C serums ship within three weeks. Larger volumes may take slightly longer depending on current production schedules.

Are 2-oz samples available for all serums?

Yes. Each formula can be tested in a 2-oz sample size before purchasing bulk vitamin C serum.

Do these serums work on different skin types?

Yes. These serums are suitable for dry, oily, combination, and sensitive skin. Each formula is gentle and non-irritating.

Can I change a formula’s scent or consistency?

Yes. Our semi-custom option lets you adjust scent, texture, or key ingredients while keeping the original base formula.