ピンセットを使って尿素結晶を崩していきます。 尿素は化粧品の原料に含まれていたり、園芸用の肥料として使われるようです。 In this video, urea crystals are broken up using tweezers. Urea is likely to be found in cosmetic ingredients or used as a fertilizer for gardening.
To listen while using other apps, switch the player to Picture-in-Picture (PiP) during playback — it keeps playing in a small floating window (the screen stays on).
To listen with the screen fully off, in-browser playback stops by YouTube's design. Open the video in the YouTube app to keep listening where background playback is supported (e.g. with YouTube Premium).
Open in YouTube app