The topic at hand is about experiencing hair loss after having an ileostomy, which is a surgical procedure often necessary for those with conditions like Crohn’s disease. The main concern is whether the hair will grow back and how long it might take for this to happen.

Here are some helpful insights and advice shared by others who have gone through similar experiences:

1. Hair loss after surgery, known as "telogen effluvium," is quite common. It often occurs after major illnesses, anesthesia, or severe stress on the body. Hair shedding typically starts 2-3 months after the event and can last several months before new hair begins to grow.

2. Many people have reported that their hair fully or partially regrows within 6 to 18 months. Sometimes, the hair may come back with a different texture, such as changing from curly to straight.

3. Nutritional support can be beneficial:
- Prenatal vitamins are often recommended, even if you are not pregnant.
- Taking Biotin, especially in a 10,000 mcg/day dosage, can help. Chewable gummies are a good option for those with an ileostomy.
- A general multivitamin that includes biotin can also be supportive.

4. Some hair-care measures that people have found helpful include:
- Using biotin-fortified shampoos, like Kitch shampoo. Some prefer to skip regular conditioner and use a deep hair mask once a week instead.
- Switching to milder or higher-quality shampoos and conditioners.
- Using a handheld scalp massager while shampooing to boost circulation.
- For those with long hair, putting it in a loose bun with a silk ponytail holder at night can reduce tangling and breakage. Sleeping on your back after surgery can sometimes worsen matting at the crown.

5. General lifestyle tips include:
- Washing your hair less frequently to minimize shedding.
- Managing stress and staying positive, as emotional stress can prolong hair loss.

6. Some medications, like long-term prednisone and newer biologics for Crohn’s, are suspected by some to contribute to hair loss.

7. There are differing opinions on the role of anesthesia in hair thinning. While some believe it contributes, others say dermatologists do not see it as a direct cause. Consulting a dermatologist can help evaluate the various factors involved in hair loss.

8. If hair shedding is severe or continues for a long time, it is advisable to consult a dermatologist or primary care physician to check for any deficiencies or hormonal issues.