The Lube Alternatives You May Want To Stay Away From (They'll Do More Harm Than Good) Amazon.com: Sasmar Vanilla Flavored Lubricant Water Based Personal Lube for Men, Women Feels Natural, Long Lasting Formula, Paraben Free, Toy Friendly and Condom Safe, Oral Lubricant for Couples 60 ml : Canola The Canadian Encyclopedia What Can You Use Instead of Lube? When trying to conceive, choosing the right lubricant matters. Some common products like oil based lubricants, petroleum jelly, saliva, and regular lubricants may harm sperm and reduce fertility chances. Instead, opt for fertility friendly, NO! Only use water based lubes designed for sex. Oil based ones (such as Vaseline, massage oils or hand cream) may weaken or break the condom.