Pre-Seed is the only lubricant formulated by a woman Sperm Physiologist.
Meet Dr. E and learn more about her research.
This study confirmed that the Pre-Seed formula is isotonic with a neutral pH. Pre-Seed’s formula was found to not cause harm to uterine or rectal cells in culture, whereas other water-based lubricants such as KY and Astroglide “disrupted” these cells.