Welkeeps Respiratory Mask



Test method

Patch Tests


Respiratory Mask


Welkeeps Co., Ltd.

Product info:

As a company specialized in hygiene, health, and safety, Welkeeps is the first company in Korea registered a health mask(KF94) and has been ranking the first in the market share of health mask in Korea since 2016. welkeepsmall.com

  • KOREA FDA certified & FDA Listed (No. D404535)
  • Applying non-woven fabric from US company DUPONT as a pre-filter to maintain the form of the mask which makes wide inner space for comfortable long hour wear.
  • Quadruple-structured mask with high efficiency filters that protect against 99.9% infections and 94% ultrafine particles proven by BFE test.
  • Four different sizes for all ages.


Dermatest test procedure:

Epicutaneous testing (Patch testing) under dermatological control. The test product was applied once occlusively for 24 hours on 30 subjects with sensitive skin. Skin assessments have been performed before and 24, 48 and 72 hours after application. No subject showed any irritative skin reactions during this study. Thus, it can be concluded that the product does not have high irritation potential and the product will not cause adverse skin reactions when properly used.


The Dermatest seal:

When it comes to masks we wear all day, it is all the more important for you to know which products are dermatologically tested and safe. Certificates like those from us as an independent institute help you to assess the safety of products. The Welkeeps Respiratory Masks met our basic test requirements and therefore  received our Dermatest Guarantee Seal.



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