Heaven in a bottle! Squalane is botanically derived from olive oil and is known to boost the skin's ability to naturally regenerate, nourish, hydrate, oxygenate and protect itself. Evening Primrose oil is rich in gamma linolenic acid, an essential fatty acid that will truly indulge your dry skin. Organic Calendula oil has anti-inflammatory properties to soften and heal skin. This serum is permeates the skin immediately and just a few drops go a long way. Less is definitely more with this product. For dry skin use 2 pumps or less prior to moisturizer and for normal to oily skin use 1/2-1 pump in place of moisturizer. Dispense into your palm and rub your hands together to disperse prior to applying to your face. Smooth in upward strokes, it is safe for your lips too. Your skin will feel like satin. This is also an ideal primer for those of you that wear mineral makeup - it will glide on with exceptional coverage. 30 ml in a glass treatment pump.