Collection: Private Label Peptide Serums

Create your own line of private label peptide serums. Customize, brand, and sell expertly crafted formulas designed to support radiant, youthful skin!


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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

Boost Brand Credibility with Private Label Peptide Serums

RainShadow Labs is a leader in private label peptide serums, delivering expertly crafted skincare solutions for beauty brands, estheticians, spas, and retailers. 

With over 40 years of experience in the personal care industry, we offer premium formulas that support skin health, hydration, and renewal.

Discover Our Private Label Peptide Serum Collection

Our private label peptide serums are formulated to promote radiant skin. Choose from our ready-made formulations or collaborate with our research and development team to create a custom product.

Flexible Order Sizes and Customization Options

RainShadow Labs now offers 2 oz. sample sizes for bulk and private label products. This change makes it easier for businesses to test formulations before committing to larger quantities. 

Bulk Orders with No Minimum Requirement

We offer flexible bulk ordering with no minimum order quantity, making it easy for brands of all sizes to source high-quality skincare. Private Label stock filling is available starting at 10 gallons, while custom formulations require a 25-gallon minimum order.

Custom Formulation Development

Our team provides full-scale research and development services for brands looking to create a unique formula.

  • Investment: $3,000-$5,000 per product
  • Development timeline: Up to 24 weeks

We can customize an existing formula or develop a completely new formulation to match your brand’s identity.

Reliable Production and Delivery Timelines

Our production process ensures that orders are fulfilled promptly without compromising quality.

  • Bulk orders: Delivered within 4 weeks of order placement.
  • Fill orders: Completed within 8 weeks after approval.

Packaging Solutions and Vendor Recommendations

While RainShadow Labs does not provide packaging, we offer a preferred vendor list for premium packaging solutions. This allows brands to source high-quality packaging that aligns with their vision and market positioning.

Create Your Signature Peptide Serum Line Today

Ready to launch your private label peptide serums? 

Contact RainShadow Labs to explore our innovative skincare solution. Let’s start creating your signature peptide serum line!

FAQs About Private Label Peptide Serums

Do you have stock products available for private labels?

Yes. All of our Buy Direct products can be filled for private labels. The minimum order for stock catalog filling is 10 gallons.

Can you create a customized product for me?

We offer full custom formulation services through our research and development team. Visit our custom manufacturing page for details.

Can I add a scent to a Buy Direct product?

We also offer semi-custom modifications to stock products. Semi-custom formulation starts at $3,000.00.

Can I return a product if I don’t like it?

Unfortunately, you cannot. All sales are final. However, we will replace any items damaged during shipping.

Can I request a partial shipment for back ordered products?

You can request a partial shipment if an item is back ordered. However, this may incur two shipping charges due to separate shipments.