1. true
2. false

True. No matter what your skin type, most people can benefit from using moisturizer, especially if you're using acne-fighting treatments that might dry out your skin.

1. The product will treat acne.
   The product contains sunscreen.
2. The product won't cause acne.

Non-comedogenic (as well as non-acnegenic) moisturizers are typically oil-free and won't cause breakouts.

1. true
2. false

Not necessarily. There are few to no rules about labeling a product as "natural," so buyer beware.

1. creamy, oil-based lotions
   non-comedogenic, water-based formulas
2. creams formulated with vitamin K

People prone to breakouts should choose oil-free, water-based moisturizers.

1. lubricant
   humectant
2. emollient

Humectants work by drawing moisture from your environment to hydrate your skin.

1. acne treatments, then moisturizer
2. moisturizer, then acne treatments

After washing your face, apply acne treatments first to allow them time to penetrate your skin before you apply moisturizer.

1. serums
   lotions
2. creams

Cream moisturizers contain more fats and oils and are best for dry skin.

1. glycerin
   lipids
2. retinol

Retinol, a topical vitamin A in products such as Retin-A, increases sun sensitivity.

1. excess melanin
   excess melatonin
2. a side effect of topical vitamin A creams

Excess melanin is to blame for those dark, brown spots left behind by acne.

1. a pea-sized amount
   a palm full
2. 1 ounce

Most people only need about a pea-sized amount of lotion to keep their face hydrated.