The basic idea
Day creams and night creams are both moisturizers. What separates them is mostly the job each is designed around. Daytime products are meant to sit comfortably under sunscreen and makeup, and may include protection from the sun. Nighttime products are designed for a time when you are not exposed to sun, makeup or the outdoors, so they can be richer and sometimes contain ingredients that are better kept away from sunlight.
The labels are partly marketing, and the line between the two is blurrier than packaging suggests. Many people use a single moisturizer morning and night with good results.
What tends to differ
Sun protection
Day creams sometimes include SPF. If a moisturizer lists an SPF, it needs to be applied generously to deliver the protection the number suggests, and many people use less than that; the pages on sunscreen basics and SPF numbers explain why. A night cream does not need SPF, and it generally would not have it. If your day cream has no SPF, you would apply sunscreen separately. Daily sunscreen is typically the most important step in the morning, whatever moisturizer is under it.
Texture
Day creams are usually lighter so they absorb quickly and do not interfere with the application of sunscreen or makeup. Night creams are often thicker and more occlusive, helping reduce water loss while you sleep. Skin loses water through its surface somewhat more at night in many people, which is one reason a richer product at bedtime can feel good, though this varies. A look at the moisturizer textures can help you decide how rich you actually need to go.
Ingredients
Night products are often positioned as “repair” or “renewal” creams and may contain ingredients such as retinol, peptides or exfoliating acids. Some ingredients, retinol in particular, are commonly applied in the evening, partly because they can make skin more sun-sensitive and partly because daylight can degrade some of them. If a night cream contains an active, introducing it gradually matters, as with starting retinol. Day products more often include antioxidants such as vitamin C, which are often used in the morning.
These pairings are conventions rather than strict rules, and results from any of these ingredients vary and are typically modest and gradual.
Fragrance and feel
Because you apply night cream before bed, some are scented to feel relaxing. Fragrance can irritate sensitive skin, so unscented options are often safer; see the notes on fragrance sensitivity.
Do you need both?
For many people the answer is no. A reasonable simple routine is a gentle moisturizer you like, used morning and evening, with sunscreen added in the morning. This works especially well for oily or combination skin, where a second, heavier product may feel unnecessary.
Having two products can make sense if:
- you have dry or mature skin and want something richer at night,
- you want an active ingredient in the evening only,
- your day moisturizer feels too heavy under makeup, or
- you prefer a lighter feel in the day and a more cushioning one at night.
If budget is a concern, the discussion of where to put your skincare budget suggests that a basic moisturizer and sunscreen usually matter more than a second cream.
Using them in order
In the morning, apply moisturizer, then sunscreen if the moisturizer does not already provide adequate SPF coverage. In the evening, cleanse first and then apply any serum, followed by moisturizer last. The page on product order lays this out in more detail.
What a night cream cannot do
Skin does carry out many repair processes during sleep, but a cream does not “work while you sleep” in any dramatic sense. It can help the skin hold water and may deliver ingredients over time. It cannot change your skin type or guarantee particular results.
When to ask for advice
If any cream, whether day or night, causes persistent stinging, redness, itching or a rash, stop using it and consider a patch test before trying a new one. For ongoing irritation or a rash that does not clear, a qualified health professional can help work out the cause.