Amazon AU currently have a promo running where you get a free Nivea Hand Cream (100 ml) with a selected Nivea product purchase (ends Dec 31st).

Link to Nivea products (lowest to highest)

Currently a few Nivea Roll-ons are priced at $1.75:

NIVEA MEN Invisible Black And White Roll-On Anti-Perspirant Deodorant, 50ml
NIVEA Deodorant Black and White Fresh Roll On, 50 milliliters
NIVEA Stress Protect Roll-On Anti-perspirant Deodorant, 50ml
Nivea Men Sensitive Protect Roll-On Anti-Perspirant Deodorant, 50mL
NIVEA MEN Black And White Fresh Roll-On Anti Perspirant Deodorant, 50ml

So you can add any of those and whatever else from the selected Nivea range and just as many hand cream/s and in checkout you will get the hand cream/s for free.

Nivea Nourishing Care Moisturising Hand Cream, 100 ml

Also aside from the roll-ons there are a few others on there under $2.50:

NIVEA Daily Essentials Crème Care Cleansing Lotion, 200 milliliters (doesn’t show up in search for some reason)
NIVEA Fruity Shine Strawberry Tinted Lip Balm, 4.8g
NIVEA Original Care Moisturising Lip Balm, 4.8g
NIVEA Coconut Scented, Moisturising Shower Cream, 250 milliliters
NIVEA Honey Scented Moisturising Shower Cream, 250 milliliters

Don’t forget ShopBack (10% cash-back @ time of posting).