The OGX Blonde Enhance + Purple Toning Hair Drops come in a standard size bottle with a volume of 4 fl oz. Active ingredients include keratin, and the product is suitable for color-treated hair. The drops are designed to provide toning effects, making them ideal for those looking to enhance their blonde hair with a hint of purple. The sulfate-free formula ensures gentle and safe use for both men and women. With the OGX brand reputation and specific product line, this addition to your hair care routine can help achieve a vibrant and healthy-looking blonde tint.