Spa Sister Treatment Spa Socks have been especially treated with nourishing aloe and jojoba to deeply hydrate as they cradle feet in ultra-lofty comfort. For an even more intensive spa treat, slather on your favorite moisturizing cream for fantastic results. Sheets stay clean as you awake with baby soft feet. — Spa Sister is a premium brand of spa and wellness accessories. Supplying fine apothecaries, premium gift, and bath shops for nearly three decades, we know the perfect complements to your fine bath and skin care lines.