The main difference between the two is that the efficacy is different:

Australian gamophen medicated soap:

Not as side note as sulfur soap, you can remove excess oil, clean pores, behind the back of the long pimples you can use it to try.

Australian goat's milk soap:

1, can be used as a face wash, make-up removal, but also can be used as a bath use;

2, can maintain the elasticity of the skin, can slow down the aging of the skin, with anti-wrinkle efficacy;

3, mild and non-irritating, hydrating and moisturizing, increase the skin's vitality;

4, can be exfoliating, cleansing and softening the skin;

5, with anti-radiation, can be anti-ultraviolet and other auxiliary effects.

Expanded Information:

Australian goat's milk soap contains the following ingredients:

Classic Goat's Milk Soap: Fresh Goat's Milk, Olive Oil, Sweet Almond Oil, Castor Oil, Grapeseed Oil, Palm Oil

Classic Goat's Milk Soap with Palm Oil: Fresh Goat's Milk, Olive Oil, Sweet Almond Oil, Palm Oil, Castor Oil, Grapeseed Oil

Lavender Goat's Milk Soap: Fresh Goat's Milk, Olive Oil, Sweet Almond Oil, Palm Oil, Castor Oil, Grapeseed Oil, Lavender Essential Oil

Honey Goat's Milk Soap: Fresh goat's milk, olive oil, sweet almond, palm, castor, grapeseed oils, spices and fresh honey

Reference:

People's Daily Online - There's Always an Emergency Sharpener for Acne Outbreaks

Baidu Encyclopedia - Billy Goat's Milk Soap