Decleor aromessence ylang ylang purifying serum is a serum of essential oils to treat combination and oily skin by reducing excess sebum and impurities decleor aromessence ylang ylang purifying serum is a 100 natural revitalising serum that boosts the effectiveness of your day cream perfect for oily skins it reduces shine and eliminates imperfections leaving the complexion pure and clear delicate and silky decleor aromessence ylang ylang purifying serum works in natural harmony with the s