This treatment includes both a mud pack and a rehydrating mask
During this treatment, we use a mud pack to clean any dirt from the pores that you can't get rid of at home, followed by a rehydrating mask to moisturise your skin
「泥マスク」=「mud pack」や「mud mask」
「水分補給マスク」=「rehydrating mask」
「泥マスクと水分補給マスクの2つを塗布するトリートメント」=「This treatment includes both a mud pack and a rehydrating mask」
「このトリートメントでは泥マスクで自分では落としきれない毛穴の汚れをきれいに落とした後、水分を与えるマスクをする。」=「During this treatment, we use a mud pack to clean any dirt from the pores that you can't get rid of at home, followed by a rehydrating mask to moisturise your skin」