With consistent use, this is a great product. Have been using it for several months.

I have been using Super Lysine for many years and wouldn't be without it ... and I order packs of 6 at a time. Unfortunately one of the sticks I opened a day ago, 11/7/2025, was one I purchased in June 2025. Because it takes a while to use 6 tubes, the tube I opened yesterday doesn't work and it is past the return date so I am not able to get a replacement. It makes me sad the product isn't guaranteed to work. Because each tube is encased in paper/plastic packaging, I didn't have a way of knowing the turn button at the bottom didn't work to push the product out. So it's my loss.

Sunscreen and cold sore protection

Don’t ever stop making this please. I feel like there isn’t enough in each tube but it’s probably just because I use it so much

Works great. Seems to prevent minor lip sores.

The best chapstick that protects and looks like lip gloss.

Excellent product. Love the sunscreen factor. I use it all the time. I live in New Mexico and so you use the best all year round

Great texture and smell, applies easily, works great.

Been using this for 25 years, only product I'll use!

Provides great shine like a lip gloss! It does not have a taste in my opinion.

This is my most favorite chapstick. I do get cold sores from time to time, but that’s not why I buy these. I’ve tried a million kind and this is the only one I’ve stuck with. It’s noticeably clean and wonderfully moisturizing. Also, I haven’t had a cold sore in a long time- maybe large in part thanks to daily use of this wonderful goodness?!

This product is great if you’re going to be spending time in the sun longer than expected. It protects your lips for hours and it stays on for a long time. I’m very happy with it and will not hesitate to purchase it again. I highly recommend it.

This is my go-to lip balm. Sun protection is great and so is its moisturizing ability. No bad taste, doesn't irritate my lips. It is perfect.

When I was younger my grandmother used to resell this in her Salon. We didn't really use it as much as we used Quantum's Super Lysine. I decided to purchase it in my adult life because I trusted this brand. I surely dont regret it. Since I've began purchasing this lip balm, my lips are always moist and protected. Some lip balms end up drying you out, which forces you to use more... But this doesnt! If I apply, I'm normally good for 3-4 hours before I feel the need to reapply. It's not flavored, but you probably shouldnt be eating lip balm anyway hahaTHE BEST FEATURE IS THE KEYRING HOLE IN THE LIP BALM CAP!!!!!! I never lose these lip balms! Theyre always safe and sound right on my keychain. Because of this, I'm able to finish tubes before throwing them away = saving money! People are always asking where I purchase my lip balm and I always give them the amazon link! I love them.

This is the best lip balm I have ever used! I have dry cracked lips that nothing has helped, but this is actually healing my lips!!! I just bought the 3 pack! Love this stuff

I found this balm a few years ago because I suffer from an occasional cold sore and spend a fair amount of time in the sun. I take lysine supplements regularly. I ordered a tube of Quantum's Coldstick and after using our a few days, promptly ordered several more. I have them stashed in my various bags, etc. "Medicinal" properties aside, it is one of the best lip balms I have ever used. It keeps my lips from getting chapped, provides good sunscreen, lasts on my lips and with my current regimen, I seldom get cold sores. I always have several on hand.

Would have given it 5 stars, but the little cup that holds the Super Lysine comes out, or falls out. Finally learned that I can use something to dig out the Super Lysine so it does not go to waste.

I had chronic dry, chapped lips, especially at the corners of my mouth. It tried all the other basic OTC products, like carmex, blistex, Burt's Bees, etc., which all worked fine as temporary solutions to alleviate the annoyance, but did nothing about treating the underlying condition. My dentist recommended that I find a product that had both Vitamin A and Vitamin E. This product contains Vitamins A, D and E and, after using the product daily for about six weeks, my chronic chapped and dry lips condition has healed and completely disappeared.