Hide gray hairs

Silver strands can be a confidence killer at any age. Whether you have just a few white hairs or a full-on platinum head, we've got easy expert tips to conceal grays at-home and on-the-go to keep you feeling your best. 
If you have few gray hair strands than you can apply henna paste mixed with Indian gooseberry powder leave it for 2 to 3 hours. Just rinse it with plain water, than apply coconut oil on your hairs. 
There many among us who have good amount of gray hairs. In this condition you can apply henna paste mixed with coffee powder leave it for 2 hours. Just rinse it with plain water, than apply any hair oil on your hairs.
 But, if you do not like the color of henna on your hairs then can go for hair color as an easy option. Now days there are many brands in the market that are providing good variety and color choice. You can try L'Oreal’s ammonia free range as ammonia is not good for your skin and hairs. 
My advice to you if your age is less than 25 years, not to go for hair coloring as a solution for covering gray hairs. In this case, if you have very few gray hairs than mark those with any herbal ayurvedic kajal pencil for instant and quick solution.  
It is always better to have healthy lifestyle so that you can prevent these types of problems. Here I will provide some basic nutrition information which could be helpful in treating your hair condition. 
Food for hairs: 

1. Sea food: Fish like salmon, halibut and sardines are packed with beauty benefits, including the prevention of brittle hair. Oysters and crab are also great sources of zinc, which can be crucial to preventing hair shedding and loss.
2. Protein from veges: Vegans and vegetarians can get their zinc from fortified breakfast cereals, and their protein from tofu, edamame and beans. In addition to being full of protein, beans also have plenty of iron "for the prevention of iron-deficiency anemia, which can be tied to hair loss.
3. Vitamin B: Black beans, Green peas and spinach contain B vitamins, which "help to support new hair growth and improve circulation to the scalp.
4. Vitamin B5 or pantothenic acid: It may prevent the graying of hair. It can be found in eggs, whole grains, cooked dried beans and peas, dates, potatoes, avocados and cauliflower.
5. Nuts: Almonds, pecans and Brazil nuts provide both selenium and zinc to the diet. Almonds are also having magnesium. Cashews are a good source of zinc. These minerals are good for hair growth.
6. Vitamin A: It is important for a healthy scalp, which is vital in producing shiny hair. Sweet potatoes and cantaloupe are great sources of vitamin A and C.
7. Calcium: For calcium you can have low-fat dairy products like milk, yogurt and cheese which helps lengthen and thicken hair by promoting healthy hair growth.