Alka-Seltzer_panadol soluble?

Got this during a fever. It taste much better than the one I had previously. But why I Couldn't get it in pharmacies?

COCONUT SOAP BAR MAKING

Saponification Value List

Cocomut Soap Bar

1. Mix 29ml(28%) LYE or called NaoH/Sodium Hydroxide to 74ml(72%) DISTILLED WATER

    (mixture will cause temperature heat up to 200°F)
 - wait it cool down to 120-130°F

2. Mix into 200ml (66%) of COCONUT OIL in about 76°C
  - stir well until the liquid turns condence then pour
     into mould and leave it cool.
( different oil require different amount of time to be harden.
  coconut oil is a hard oil, takes only 1-2 days to be harden. Some soft oil need about 6 weeks before it can be used.)

Equipment need:
Mask, glove, safety glasses, thermometer.