Wholesale Hair Growth Oils & Serums

RainShadow Labs offers wholesale hair growth oils & serums that nourish the scalp and support fuller strands. Order 2-oz samples to compare formulas before you place a bulk or private label order.


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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.

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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Wholesale Hair Growth Oils & Serums for Healthier Hair

Thinning hair frustrates your customers. They want strands that look thick, feel strong, and shine.

RainShadow Labs creates hair growth oil formulas that feed the scalp and give each strand the support it needs.

These products contain nutrient-rich botanicals, strengthening proteins, and lightweight oils that absorb fast.

This selection suits spas, salons, estheticians, retailers, and beauty brands that need high-quality wholesale hair growth oils and serums.

Browse Our Hair Growth Oil & Serum Collection

Each formula offers its own blend of ingredients. Build a lineup that serves different hair types and concerns.

Some products feel light enough for daily use. Others work best as weekly deep treatments that restore hair shine and softness. 

Pick the ones that fit your brand story and your customers' needs.

Flexible Sampling and Stock Bulk Orders

RainShadow Labs makes it easy to test and order wholesale hair growth oils & serums at your own pace.

  • Sample each formula in a 2-oz size to evaluate texture, scent, and absorption
  • Place stock bulk orders in any quantity with no minimums
  • Receive stock bulk hair oils within 3 weeks
  • Access filling services when your order reaches 10 gallons
  • Bring your own packaging or request our preferred vendor list

These flexible options let you test before you invest and scale when your business is ready.

Custom and Semi-Custom Hair Oil Development

RainShadow Labs partners with brands that want more than a stock product. Two development paths let you build a hair oil that reflects your unique vision.

Semi-Custom Hair Growth Oils

Start with a proven stock formula and adjust it to match your concept.

  • Begin with an existing hair growth oil or serum
  • Modify scent, consistency, or featured ingredients
  • Investment starts at $3,500 per product

Semi-custom development gives you a tested foundation with room to add your signature touch.

Full Custom Formulation

Build a hair growth oil from the ground up with complete creative control.

  • Collaborate with RainShadow Labs' formulation team
  • Select your own natural ingredients and define the texture
  • Create a scent profile that matches your brand identity
  • Investment is $5,000 per product
  • Minimum order is 25 gallons
  • Development takes up to 24 weeks
  • Fill orders ship within 8 weeks after approval

Custom formulation suits brands ready to launch a product that stands apart from everything else on the shelf.

Why Brands Trust RainShadow Labs

Every hair growth oil and serum comes from an FDA-registered and ISO-certified facility. Consistent batches and dependable quality come standard.

These formulas help hair look thicker, feel stronger, and break less often. They also contain ingredient blends that appeal to customers who read labels before they buy.

Your business gains a trusted partner with over 40 years of beauty industry experience.

Test the Hair Growth Oil & Serum Collection With 2-oz Samples 

Sampling helps you test each product before you place a bulk order. 

Every wholesale hair growth oil and serum is available in a 2-oz size. Compare weight, scent, absorption, and how each one leaves the hair.

Once you find your top picks, place a wholesale order for your private label line or treatment menu.

Shop the collection and request 2-oz samples!

Other Wholesale Hair Care Products: 

FAQs About Wholesale Hair Growth Oils & Serums

Are these hair oils suitable for professional salon services and retail shelves?

Yes. Many stylists use them during scalp treatments. They also sell well as take-home products for customers who want to continue care between appointments.

Is there a minimum order requirement for bulk hair growth oils?

No. Stock bulk items have no minimum quantity. Stock filling services start at 10 gallons. Custom formulas require a minimum of 25 gallons.

Can I sell these hair growth serums under my own brand name?

Yes. RainShadow Labs supports private label production along with semi-custom and custom formulation services.

Can I adjust an existing formula to match my brand?

Yes. Semi-custom development lets you change the scent, consistency, or featured ingredients of a stock formula. This option starts at $3,500 per product.