You should try using a clitoral excellorator like Oragasmixx or Flower Balm or Vigal.

They will help increase her sensation for maximum stimulation and wetness helping prevent some future soreness.

I am not sure if she oragasim's internally or externally or both?

If not internally you could get the "The Guide to Female Ejaculation: by Deborah Sundahl or "The G-SPot".

Also, you may want to find a silicone lube and try a vibrating cock ring.

Or Olive Oil is a great lubricant most people don't know about that has been used since the dawn of time and is totally safe.

Also, an L-Arginine Supplement greatly helps female pleasure and relaxment.

I have worked helping couples enhance romance for the last 10 years, just a few tips.