Is Botox safe for forehead lines in my mid-20s and how many units are usually needed?

Question

Hi doctors, I’m thinking about getting Botox for the first time to reduce mild forehead lines and prevent deeper wrinkles in the future. I’m in my mid-20s and my lines are visible mostly when I raise my eyebrows, but they are not very deep yet. I would like to know if Botox is a good option at this stage for prevention. How many units are typically recommended for the forehead area for someone my age? Also, will the results still look natural if a small amount is used? Thank you for your advice.

Tania Hassanzadeh, MD · Answer

Hi there,
Thanks for your question! You are absolutely at the right age to consider starting neuromodulator treatment. This is best when performed in a preventive setting for a patient like yourself, and not after deep lines have set in. To treat your forehead, you can start with 5-10 units of Botox and go from there, However, I recommend also treating your frown lines and crow's feet as a complex, not just your forehead. This balances the amount of toxin delivered to your upper facial muscles and prevents your eyebrows from dropping. You would add another 5-10 units for the frown lines and for your crow's feet. Every provider has their own unit preference, and it's best to ask your injector for a customized treatment plan.
Hope this helps!Dr. H

Raffy Karamanoukian, MD, FACS · Answer

Non-surgical options for cosmetic dermatology and plastic surgery continue to improve with time. Botox injections and Volume fillers continue to be at the forefront of cosmetic rejuvenation given their high safety profile and efficacy. Facial fillers are used to volumize areas of premature hollowness or wrinkling, whereas Botox is used to reduce hyperactive facial muscles around the eyes, forehead, and chin.

Understanding the various attributes of each filler and Botox option can be discussed in detail during your consultation in our Beverly Hills or Santa Monica offices. Rest assured that we will provide you with exceptional attention to detail and professionalism. 
Best, 
Dr. Karamanoukian 
Realself100 Surgeon

Anna Chacon, MD, FAAD · Answer

This is a great question, and it’s something I discuss often with patients in your age group. Starting Botox in your mid-20s can be a very reasonable and preventive approach, especially if you’re noticing early dynamic lines (the ones that appear when you raise your eyebrows but aren’t deeply set at rest yet).

In cases like yours, Botox can help soften muscle movement, which may delay the formation of deeper, more permanent lines over time. When done conservatively, it can be both safe and very natural-looking.

In terms of dosing, the forehead typically requires a lower, more tailored amount, especially for first-time patients. On average, this can range anywhere from 6 to 12 units for the forehead, sometimes combined with a small amount in the “11” lines (glabella) if needed for balance. The exact number really depends on your muscle strength, facial anatomy, and how much movement you want to keep.

The key to a natural result is a light-handed approach. Using smaller doses allows you to maintain normal facial expression while softening the lines—so you won’t look “frozen,” just more refreshed.

Overall, when done thoughtfully, Botox at this stage can be a subtle and preventive tool rather than a dramatic change.

Nelson Lee Novick, MD · Answer

For several decades already, Botox has been used by experienced, expert injectors for what is called "Prejuvenation," or the use of Botox to delay or prevent age-related changes. I have been routinely doing so for my patients and for my family members for over a quarter of century. I started one of my daughters-in-law at the age of 19. It has become a routine treatment recommendation. Forehead worry lines typically require about twenty units. Hope this helps and best of luck.

Kally Papantoniou, MD, FAAD · Answer

`Botox can be used at this stage, especially when lines are starting to show with movement, but the goal is usually a softer, more preventative approach rather than fully freezing the area.

The number of units can vary quite a bit depending on your muscle strength and how much movement you have, so there isn’t a one-size-fits-all number. In general, smaller, more conservative dosing is often used in younger patients to keep things looking natural.

When done properly, you should still have expression, just with smoother movement. A consultation with a qualified professional can help determine what makes sense for your anatomy and goals.

Glenn Murray, MBBS · Answer

These are classified as static lines, which develop over time due to repetitive muscle activity—such as smiling—as well as the natural decline in collagen and elastin with age. Treatment with botulinum toxin can help by reducing the underlying muscle movement, thereby softening the appearance of these lines and preventing further deepening as the skin continues to age. In conjunction with botulinum toxin, I would also recommend incorporating collagen‑stimulating treatments to further improve skin quality and reduce the visibility of these lines. Effective options include microneedling, RF microneedling, laser resurfacing, or biostimulators, all of which support dermal remodeling and enhanced collagen production.

Thank you and Take-Care.
Dr Murray.

Thank you and Take-Care. 
Dr Murray.

Camille Cash, MD · Answer

Yes, Botox can often be used to soften the appearance of forehead lines.  An evaluation is needed to give you a specific recommendation for the number of units needed.  Other treatments to help in preventing premature aging include using medical grade skin care products like Transform MD and wearing sunscreen every day.  You can keep skin looking healthy through periodic skin treatments such as microneedling, chemical peels, and lasers.

Is Botox safe for forehead lines in my mid-20s and how many units are usually needed?

Answers (7)

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