Try to go outside every day, weather permitting. While this may not be possible every day, the more sun exposure your hair receives, the more blonde it becomes. You can go for a walk, lay out on the beach, or ride a bike, for example. If you live somewhere that is warm and sunny year-round, you can do this at any time of year, not just in the summer.

You may need more lemon juice for longer hair. An easy way to apply lemon juice to long hair is to put the juice in a spray bottle. Mist your hair before you leave the house. Additionally, lemon vodka works in similar ways. You can use this as a substitute for lemon juice. Simply pour 1–3 US tbsp (15–44 mL) into your hands, and spread it over your hair. Alternatively, you can mix lemon juice with your conditioner and rinse your hair with it. This lightens your hair over time, instead of only when you are in the sunshine.

Saltwater helps lighten hair that is already color-treated because the salt opens up your hair cuticle, making it easier for the sun to penetrate the follicles and lighten the pigment. This is a great option if you already have blonde or light-brown hair and want to go even lighter.

Alternatively, you can use white vinegar as well. Apple cider vinegar works the best, but any vinegar will have similar results. Apple cider vinegar also helps detangle and defrizz your hair. While this helps lighten your hair, it may take several rinses before you see results.

Beer is known to help lighten pigment over time, and it also makes your hair extra shiny.

After you rinse, your hair may look 1-2 shades lighter! Do not leave the mix on your hair for more than 60 minutes. This will cause excessive dryness, and it can damage your hair.

Comb through your hair to spread the mixture evenly, or apply it wherever you want highlights Alternatively, you can wash out the mixture after 1-3 hours. This will gently lighten your hair, and you won’t have to worry about sleeping with a plastic covering on. You may have to try this a few times before you see major lightening. If you don’t have cinnamon, you can use cardamom instead.

After several applications, your hair will start to lighten. This works well for medium to dark brown hair.

Chamomile is said to lighten hair that is already blonde or light brown. Alternatively, you can use black tea.

For example, try Sun-In. This method lightens your hair, but this is not a natural option. It may cause damage and breakage to your hair over time.

In about 2 weeks of daily use, your hair may start to lighten. Additionally, many companies offer lightening conditioners to supplement with your lightening shampoos.

Alternatively, you can dye your hair yourself. However, the bleaching process can greatly damage your hair, and it takes much time and knowledge to bring dark hair to light tones. Research online before you decide to dye your hair yourself. Always ensure you use quality dyes and bleaches to avoid excessive damages.