New Serum "Bmuse AZ+20 Serum" with 20% Azelaic Acid Derivative to Launch Pre-Sales and Monitor Campaign

Wellness Lab Co., Ltd. (Location: Naka-ku, Yokohama / Brand name: Kirei de Lab) is scheduled to release its new beauty serum, "Bmuse AZ+20 Serum," formulated with 20%*¹ azelaic acid derivative, on Friday, May 30, 2026. Ahead of the official launch, pre-sales will begin on Friday, May 15, 2026, on Rakuten and Qoo10. Furthermore, from Monday, May 18, a monitor recruitment project will be conducted on the official Instagram and X (formerly Twitter). A new addition to the series that supports fluctuating skin*². The concept of "Bmuse serum" is "The best skin for me at the moment." This serum series allows you to choose based on your skin's condition at any given time. The newly added "Bmuse AZ+20 Serum" is a single bottle focusing on easily fluctuating skin*², moisture balance, and texture irregularities. Skin condition changes daily due to seasonal and environmental shifts, and lifestyle influences. This product was developed to be like a guardian, providing moisture and conditioning the skin for a healthy impression*³, standing by your skin day by day. Formulated with 20%*¹ azelaic acid derivative, designed for easy incorporation into daily care. While containing 20%*¹ azelaic acid derivative, we focused on a formulation design that caters to those who want thorough care but are concerned about irritation, or want to easily incorporate it into their daily skincare routine. It is blended with supporting ingredients that gently care for the skin, such as Niacinamide*¹, Dipotassium Glycyrrhizate*¹, Centella Asiatica Leaf/Stem Extract*¹, Mugwort Leaf Extract*¹, Glycylglycine*¹, 5 types of Ceramides*⁴, Hyaluronic Acid*⁴, and Collagen*⁴. The texture is light and smooth, making it easy to blend into your daily skincare. It is also recommended as a first-time serum with azelaic acid derivative*¹. *1 Skin conditioning ingredient / *2 Condition where skin is prone to changes due to dryness, etc. / *3 The impression of well-conditioned skin due to moisture / *4 Moisturizing ingredient. Pre-sale and Monitor Recruitment Overview. [Pre-sale] Get it early with special benefits. ▼ Period: May 15, 2026 (Fri) - May 29, 2026 (Fri). ▼ Sales Channels: Rakuten, Qoo10. ▼ Benefit: During the period, customers who purchase "Bmuse AZ+20 Serum" from the designated page will receive one bottle of "Bmuse Glutathi Serum" (Glutathione serum) as a gift (up to 3 bottles per person). *Limited quantity, while supplies last. Rakuten, Qoo10. [Monitor Recruitment] Free gift for a total of 60 people by lottery. ▼ Application Period: May 18, 2026 (Mon) - May 24, 2026 (Sun) 23:59. ▼ Number of Winners: Total 60 people (30 each from X and Instagram). ▼ Provided Content: One full-size bottle of "Bmuse AZ+20 Serum" (free). ■X (formerly Twitter) ・Follow the Kirei de Lab official account (@kireidelab). ・Repost the target post. ◎ Commenting with "why you want to try it" increases your chances of winning. ■Instagram ・Follow the Kirei de Lab official account (@kireidelab_official). ・Like the target post. ・Fill out the Google form in the highlights. Please post on your SNS according to the specified guidelines within 2 weeks of receiving the product. *We ask that you include notations such as "PR" in your post. *Your posts may be introduced in advertisements, websites, etc. *Please check each SNS account for details. Product Overview ・Product Name: Bmuse AZ+20 Serum ・Content Volume: 30ml ・Regular Price: 3,980 yen (tax included) ・Sales Price: 2,980 yen (tax included) ・Release Date: May 30, 2026 (Sat). Hoping to reach many people through an accessible entry point. "I'm interested in azelaic acid, but..." The Bmuse AZ+20 Serum is the one we want such people to try first. Both the pre-sale benefits and the monitor recruitment were born from the desire for as many people as possible to try it. Because your skin's condition is not always the same, you get to know your current skin and choose the care that feels good for it at that moment. We hope that each of these experiences will lead to the "first step" for someone else. Company Profile ■Main Brand: Kirei de Lab. A brand that supports women's "beauty" and "health." It handles care products, focusing on supplements like placenta, equol, and genistein. URL: https://kireidelab.com/ ■Operating Company. Company Name: Wellness Lab Co., Ltd. Representative: Representative Director Koei Noshiro. Location: 3F Kannai ST Bldg., 1-4-1 Onoe-cho, Naka-ku, Yokohama 231-0015. Business Content: 1. Commerce Business (sales of cosmetics, health foods, etc.) 2. Media Business (production and operation of video information sites) 3. Overseas Business (overseas sales of cosmetics, health foods, etc.) 4. OEM Business (contract manufacturing of cosmetics, health foods, etc.) 5. Raw Material Sales Business (sales of cosmetics (sole agent for Anthem Biosciences) and health food raw materials (authorized agent for HORUS Co., Ltd.)) 6. Planning and operation of beauty salons, etc. Established: July 2011. Capital: 10 million yen. URL: https://wellnesslab.co.jp/ ■Official SNS. X: https://x.com/kireidelab. Instagram: https://www.instagram.com/kireidelab_official/. TikTok: https://www.tiktok.com/@kireidelab_jp