Custom Repair Serum OEM for US Brand — 2026 Case Study | TIANZI GROUP

Client Background

Brand Name is a US skincare brand focusing on acne-prone skin. In 2025, they approached TIANZI GROUP to develop a repair serum that could meet US FDA compliance while keeping competitive retail pricing.

Challenge

Need a custom formulation with centella asiatica extract. Required 45 day turnaround to catch the Q4 launch window. MOQ as low as 5,000 pcs for a new brand. Full regulatory support for US market.

Our Solution

Formulation

TIANZI R&D team developed a custom repair serum formula using centella asiatica extract, free of paraben, fragrance and alcohol, certified by ISO 22716 and GMPC.

Manufacturing

Production line: 10,000 bottles per day filling line. Packaging: custom glass bottle with airless pump sourced from our certified supplier network. Quality control: 3 rounds of stability testing, microbiology report included.

Result

5,000 pcs delivered in 45 days. Client re-order rate reached 80% within 3 months. Product ranked top 10 best seller on Amazon. Retail price point achieved at 28 USD vs. client original target 32 USD.

Why TIANZI GROUP

20+ years OEM/ODM experience in skincare and cosmetics. In-house R&D lab with 20+ PhD chemists. Full regulatory support for US, EU, Japan and Southeast Asia markets. MOQ from 3,000 pcs, flexible for growing brands.