Reversing Early Cavities: Pure Highschool Science here

You only use a Pea Size after brushing then spit and don't wash with water after.

GC Tooth Mousse Plus 1 X 40 Gram Dental Product (Mint): https://amzn.to/3voE6PQ

GC Tooth Mousse Plus 1 X 40Gram Dental Product (Strawberry):
https://amzn.to/3ITkDKi

Research based Support:
look at this peer review article and then look at its Biography for further articles. "Analysis of Dental Enamel Remineralization: A Systematic Review of Technique Comparisons"

https://ncbi.nlm.nih.gov/pmc/articles/PMC10135549/

We have solid Scientific X-ray and clinical photo evidence of reversing lost mineral in enamel, the research and patient clinical data is endless with evidence of this Little Advertised Nutrient replenishment...Dentists recommend Minimal Intervention (MI) Paste as a non-surgical treatment for a number of dental symptoms. Dr. Rob Bradley, a dentist at First Choice Dental, says, “We’ve found MI Paste to be effective in helping patients with teeth sensitivity, acid erosion or those patients who have a high incidence of dental decay. In addition, I’ve experienced some success using MI Paste to help patients who have white spots or other minor tooth discoloration which is caused by lack of calcium. MI Paste can be an effective part of a non-surgical procedure to diminish the appearance of these white spots.”

Can MI Paste really help diminish white spots on teeth?
The image above is before MI Paste use. Notice the white spots near the gumline on the top teeth. These images come from www.mi-paste.com. Dr. Bradley has seen similar results with First Choice Dental’s own patients. To help break down the outer layer of weak enamel, the dentist will acid-etch the teeth, and then polish them lightly with pumice. Then the dentist applies MI paste, a white calcium phosphate cream made from dairy proteins, to the teeth for five full minutes. The patient will also apply the paste to their teeth every night after brushing. The dentist will repeat this whole process for 3-4 visits, over a period of up to two months. The image below is after MI Paste use.

Dentists and patients have found success using MI Paste to treat or as part of treatment for:
Alleviating dry mouth caused by certain medications and medical treatments
Reducing high oral acid levels from excessive soft-drink consumption, although the best treatment is to avoid consumption of soft drinks
Helping with tooth sensitivity before or after professional cleaning
Helping pregnant women who may have high oral acid levels associated with pregnancy
Buffering acids produced by oral bacteria and plaque
Preventing white spot lesions that can occur during orthodontic treatment
Providing a topical coating to ease suffering from acid erosion, caries and conditions arising from dry mouth, often medication-induced