In Ayurvedic and Taoist practices, the number two corresponds to the second chakra (Sacral/Svadhisthana) and the second digit (the index finger, used for application). By using two drops, you bridge your emotional center (sacral) with your intuitive center (third eye).
Because “Kali Roses” is not a universal standard (like lavender or peppermint), quality varies drastically. Avoid cheap synthetics sold on large ecommerce sites for $4.99—those are fragranced mineral oil and will not produce the energetic effects described above. 2 drops kali roses