Logo Seiwa : GPS Coordinates 34.6907923 - 135.6395659

Seiwa - cosmetic lab in Japan

Seiwa Kasei’s Osaka-based cosmetic lab specializes in peptide technology, with 345 Japanese patents and extensive research in cosmetic ingredients since the 1960s.

Presentation of Seiwa

Located in Nunoichi-cho, Osaka, Seiwa Kasei’s cosmetic lab has pioneered peptide technology since the 1960s. From its origins in hydrolyzed collagen research, the lab now offers:

  • Advanced peptide derivatives and silicone hybrids
  • UV absorber microcapsules and hybrid polymers
  • Vitamin C derivatives and amino acid compounds
  • Technical support for cosmetic manufacturers

With 345 Japanese patents and 88 international applications, Seiwa Kasei leads cosmetic ingredient innovation from its Osaka research center.

Cover image for Seiwa : GPS Coordinates 34.6907923 ; 135.6395659

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Detailed presentation of Seiwa

Pioneering cosmetic research since 1960

Seiwa Kasei, established in Osaka, Japan, stands as a cosmetic lab with over 60 years of experience in developing innovative beauty solutions. Since its inception in the 1960s, the company has focused on advancing peptide technology and cosmetic ingredients.

Research and development expertise

Located in the Nunoichi-cho district of Osaka, Seiwa Kasei’s facilities combine research capabilities with manufacturing excellence. The company’s scientific team specializes in:

  • Hydrolyzed proteins and collagen peptides
  • UV absorber microcapsules
  • Hybrid polymers
  • Vitamin C derivatives

Innovation and intellectual property

With 345 patent applications in Japan and 88 international submissions, Seiwa Kasei demonstrates its commitment to innovation. The company has secured 90 approved patents domestically and 51 internationally, highlighting its position in the cosmetic ingredient sector.

Technical support and manufacturing

The company provides technical assistance to clients while maintaining high-quality chemical manufacturing standards. In 1980, Seiwa Supply Co., Ltd. emerged as a separate trading entity, strengthening the group’s distribution capabilities.

Research milestones

The company’s evolution includes significant achievements:

  • 1960s: Development of hydrolyzed collagen for cosmetics
  • 1980s-1990s: Advanced work on peptide derivatives and silicone hybrids
  • Early 2000s: Innovation in amino acid and vitamin C derivatives

Location and market presence

Operating from Osaka, Japan’s second-largest metropolitan area, Seiwa Kasei serves both domestic and international markets. The strategic location in this industrial hub facilitates collaboration with other cosmetic manufacturers and research institutions across Asia.

Services provided by Seiwa

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Seiwa opening hours

8:30 am - 5:15 pm

  • Monday

    8:30 am - 5:15 pm
  • Tuesday

    8:30 am - 5:15 pm
  • Wednesday

    8:30 am - 5:15 pm
  • Thursday

    8:30 am - 5:15 pm
  • Friday

    8:30 am - 5:15 pm
  • Saturday

    Closed all day
  • Sunday

    Closed all day
  • Local time

    August 20, 2025 12:46 am

Frequent questions

Seiwa Kasei develops the following cosmetic ingredients:

  • Protein-based ingredients
    • Hydrolyzed collagen
    • Collagen peptides
    • Peptide derivatives
  • UV protection compounds
    • Microcapsule UV absorbers
    • Hybrid polymer systems
  • Active ingredients
    • Vitamin C derivatives
    • Amino acid derivatives
    • Ionic complexes

The company holds 90 approved patents in Japan and 51 international patents for these technologies.

Seiwa Kasei maintains the following technological infrastructure:

Technology Area Capabilities
Peptide Technology
  • Hydrolyzed protein production
  • Peptide-silicone hybridization
  • Ionic complex formation
UV Protection
  • Microcapsule development
  • Absorber technology
  • Polymer integration
Active Ingredients
  • Vitamin C modification
  • Amino acid processing
  • Stability enhancement

These capabilities support ongoing research and development in cosmetic ingredients.

Seiwa Kasei’s R&D timeline shows continuous technology advancement:

  • 1960s
    • Initial hydrolyzed collagen development
    • Cosmetic raw material research
  • 1980s
    • Formation of Seiwa Supply Co., Ltd
    • Trading operations expansion
  • 2000s
    • Amino acid derivatives research
    • Vitamin C derivatives development

Current research areas include:

  • Peptide-silicone hybrids
  • UV protection technology
  • Multifunctional polymers
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