Sunscreen- SPF 30-50 will be good enough. There is little point in going over that. However, make sure it is rated UVA in addition to UVB. Lip Balm- Moisturizing and SPF 30 necessary. Paracetamol 300 mg- 20 tablets. For mild headaches. Throat lozenges- 20. For cough and sore throat....
Water treatment tools Soap and Shampoo (Smaller bottle) Face and body moisturizer Sunscreen SPF50+ and Lip balm SPF 30+ Hand sanitiser/Antiseptic wipes Hygiene products Basic first aid kit (Pepto Bismol, Cipro (500mg tablets), Metronidazole, Hydration salts, Eye drops for dry ears, Azithromycin...