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Introducing botanical products
Evidence: Dragon leaf cell fluid
2025年3月学会発表
ドラゴンリーフ細胞液が免疫調節作用と毛包細胞に対する効果を有することを発表
北海道科学大学薬学部薬理学研究室の若命浩二教授と、植物由来のエクソソーム原料および商品の開発・販売を手がける株式会社ジャパン・オーガニック・イールド（J.O.Y. 東京都中央区 丹藤信平（たんとうしんぺい）は、２０２５年３月２８日に福岡で開催された日本薬学会において、J.O.Y.が販売するドラゴンリーフ細胞液(LDEx)が、細胞毒性を有さず、免疫調節作用と毛包細胞に対する育毛、皮膚バリア、抗シワ、保湿などの効果を有することを発表いたしました。
北海道科学大学薬学部公式サイト：https://www.hus.ac.jp/faculty/pharm/
J.O.Y.公式サイト：http://joy-mbr.jp
日本薬学会第145年回：https://pub.confit.atlas.jp/ja/event/pharm145
Evidence: Test/monitor results
The results of a patch test on 20 people and an allergy test on 55 people were negative, so you can use it with confidence. Component analysis shows that water accounts for almost 100% of the product, so its properties are extremely similar to water, and it can be used as a substitute for the water contained in existing cosmetics.
As a result of the verification test for anti-aging anti-aging effect (elastase inhibition effect), we measured an elastase inhibition rate of 9.4% at 50% concentration and 11.8% at 100% concentration. In addition, when we measured the effects of hyaluronic acid and collagen production using dermal fibroblasts, we found a significant increase in hyaluronic acid and collagen production per cell.
As a result of a monitor test with 10 people, we received comments such as ``skin texture has improved,'' ``skin has become firmer,'' ``skin has become firmer and more shiny,'' ``skin dryness has been prevented,'' and``Fine wrinkles caused by dryness are less noticeable.''
Skin irritation results: No skin irritation problems
Allergic reaction: No allergic problems
Preservation test results: 4 bacterial species killed in 2 weeks
Anti-aging effect (elastase inhibition)
Measurement of elastase inhibition rate of 5.7% at 5% concentration, 9.4% at 50% concentration, and 11.8% at 100% concentration
Voices from people who have tried Dragon Leaf cell water
Pores are tightened
Removes excess sebum and feels refreshed
I feel that the stains have become lighter
After using it for about 1-2 weeks, the dark spots on my face became noticeably lighter.
The warts and spots on my décolletage have faded.
Fine wrinkles have decreased
Vertical wrinkles on the décolletage have become thinner
Acne scars also disappeared beautifully
I looked at the photo after using it and thought the wrinkles had improved.
Swelling on the face line is improved
Gives firmness
She felt a tightness at first, but after continuing to use it, she felt it was firmer.
When I put it on my eyes and then put on a pack, right after I took it off, my eyes were noticeably firmer than usual and felt taut.
It has a moisturizing effect when used abundantly.
Dry skin improved
I was surprised by the smell, but it disappeared quickly so it wasn't unpleasant and I got used to it quickly.
The texture of my hair has changed. My hair has become firmer and straighter.
My skin color has become brighter
It feels like the entire skin has become clearer and a little whiter.
Skin becomes noticeably whiter and clearer
After using Dragon Leaf for just 2 days, the dullness of my face was removed and I felt a clear whitening effect.
Evidence: Before and after monitor trial photos
Woman in her 30's
Nasolabial folds have become thinner
Improves redness caused by acne and sebum oxidation
Swelling has improved and the face line has become clearer
My skin color became brighter
Nasolabial folds have become thinner.
Swelling has improved and the face line has become clearer.
Acne and redness caused by sebum oxidation improved
This is the user's own impressions.
Female in her 40s
Vertical wrinkles in the center of the décolletage are gone.
The size of the stain has decreased
This is the user's own impressions.
Female in her 50's
The spots have faded
Sedative effect that improves redness
Wrinkles have become thinner
Nasolabial folds have become thinner
wrinkles have become thinner
This is the user's own impressions.
Male in his 30s
Improvement of oily skin, brighter skin tone
Swelling has improved and the face line has become clearer
Nasolabial folds have become thinner
Wrinkles around the eyes and cheeks have become thinner
I got firmness
Nasolabial folds have become thinner
Tightening effect, improvement of sagging
Improvement of oily skin
My skin color became brighter
Improvement of oily skin
My skin color became brighter
This is the user's own impressions.
Male in his 40s
Nasolabial folds have become thinner
As a moisturizing effect, dryness has been improved
Forehead wrinkles have become thinner
This is the user's own impressions.
Male in his 50s
Improvement of oily skin, pores are reduced
Swelling has improved and the face line has become clearer
Wrinkles are improved
This is the user's own impressions.