For cats weighing between 2-4 kg. You should see visible improvements after 4-5 days of injections. Improvements include: increased appetite increased physical activities reduced fever increased frequency of self grooming During the treatment, your cat's weight will increase as it regains appetite and muscle mass. Weigh your cat weekly and adjust the dosage accordingly. Use to our dosage calculator to calculate the appropriate dosage for your cat.DISCLAIMER: The product packaging/box shown uses Hydraskin. For reference, the cap color is GOLD as displayed above. Please note that the concentration (20mg) will be clearly stated on the box itself.