What are the differences between hair straightening and hair smoothing?
Thanks for A2A!!I would personally suggest u to do hair smoothening. Even experts suggest smoothening over straightening.Smoothening makes hair look natural soft, unlike the results from straightening that can give the hair pin-straight tips, which contributes a fake look.Hair smoothing is a temporary treatment that also goes by the names Brazilian blowout, keratin treatment, and protein treatment. The process involves saturating your hair with a formaldehyde solution followed by drying it out and using a flat iron to lock your hair in a straight position. However, the chemicals used for smoothing hair are not as strong as the ones used in hair straightening treatments. This makes this treatment less damaging. But, it is not ideal for all hair types.The effects from the treatment last from 2 to 5 months and it is primarily recommended for hair that is wavy or ridden with frizz. This is because it doesn’t so much alter the structure of your hair so much as it aligns it. The treatment is not likely to be as effective with hair that is extremely thick or curly.Permanent hair straightening is a process by which the structure of your hair is altered to give you pin straight hair. The chemicals used in this process permanently break the bonds in your hair shaft. Heat is applied to restructure your hair, and more chemicals are used to seal the newly formed bonds.While this process causes more damage than hair smoothing, it can straighten even the curliest of hair types and is permanent, meaning that the treated hair will remain straight until your natural hair grows out. Permanent hair straightening is also known as ‘Japanese straightening.’Regardless of the choice you make, remember, hair that is defrizzed still needs some serious care. No doubt your hair will be easier to manage and maintain. But you will still need to go the extra mile to keep it damage-free and healthy.
Why does it cost more to heat households than to cool them?
People have already made quite a few good points, but one that is missing is the fundamental difference between cooling and heating. If you heat with electricity, you are converting electrical energy to heat energy. It takes a lot of electricity - meaning it’s expensive - to make heat.In contrast, when you are cooling an area, you aren’t ‘making’ anything, meaning that you aren’t ‘making’ cold. What you are doing instead is taking the excess heat from the living quarters and moving it outside. Next time you run your AC, put your hand near the outside part of the unit, and feel the heat coming out of it. That heat was in your house.It is far cheaper to move heat from one place to another than it is to make it.Incidentally, this is how refrigerators work - they move the heat from your food to your kitchen. In warm areas of the country, you can use a ‘heat pump’ which moves the heat from the outside of the house (even if it is 40 or 50F outside) to the inside. The colder it gets outside, the less well that works. Geothermal systems also work that way - since they don’t ‘make’ heat, but just collect it from the environment, they are cheap to operate.Oh, and if you’re ever thinking of buying one of those ‘stand alone air conditioners’ that don’t need to be vented, forget it. If they aren’t dumping the heat outside, you’re going to be very disappointed.As to whether or not the original assertion in the question is true, it varies enormously depending on the heat source that the home uses.