BY BLACK GOLD SERUM is an effective lightweight moisturiser that will dissolve into your skin getting rid of clogged pores. It is high in natural linoleic acid and therefor penetrates the root cause of acne. Use the GOLD SERUM as a daily moisturiser, to keep your skin healthy and hydrated. The Pure 24K Gold will absorb right into your skin, leaving your skin glowing and naturally radiant. The GOLD SERUM is safe for sensitive skin and is suitable for all skin types.