Washing your hair with hot water causes the hair shaft to open, resulting in a lot of frizz and extra volume. Using cold water causes the hair shaft to lie flat, resulting in sleeker, shinier, less puffy-looking hair.  If you hate cold showers, go for lukewarm instead. Even the slightly reduced temperature will help your hair look thinner. Instead of washing your whole body in cold or lukewarm water, you could also put your hair up in a shower cap during your regular shower and then wash it separately in cold water afterward. Aim to wash your hair every 3-4 days to utilize natural oils that keep your hair healthy and protected. The rest of the time, simply rinse your hair with cool water. It may take your hair some time to get used to this new routine, but you can use products like dry shampoo to keep your hair looking fresh in the meantime!  When shampoo your hair use a quarter-sized amount of non-volumizing shampoo and focus on cleaning your scalp rather than your hair. Washing your hair with shampoo every day removes the natural oils that keep it looking sleek and healthy. This can cause your hair to look bushy, frizzy, and thick. Mix half vinegar, half water in an old conditioner or spray bottle to use as a conditioner. Apply it all over your hair when you're done shampooing and rinse it out at the end of your shower. When your hair dries, it will look soft and shiny, rather than frizzy and bushy.  Conditioner contains agents that coat your hair and can make it look thicker. Apple cider vinegar has many of the same smoothing effects as conditioner, but won’t coat your hair. Be aware that apple cider vinegar has a very strong smell, so you may want to apply it sparingly at first to make sure your hair and scalp don’t absorb the scent. One great way to disguise the scent is to apply a scented leave-in product, such as a conditioning spray, after your shower. There are a variety of gels, creams, and serums on the market that are designed to straighten or tame unruly hair. Depending on the product, you can...

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Write a summary of the previous text in Indonesian:
Cuci rambut dengan air dingin untuk mengurangi volume dan ujung mencuat. Cuci rambut dengan sampo 2–3 kali saja dalam seminggu. Gunakan cuka sari apel sebagai ganti kondisioner. Gunakan produk rambut yang mengurangi volume.