Why are derma rollers used for hair growth?

A derma roller (also known as a microneedle roller) is a small skincare device that consists of a handle with a roller head covered in tiny, fine needles. While the primary purpose of a derma roller is to stimulate the skin’s wound healing response and improve skin texture, some studies show that derma rollers also stimulate hair growth, especially if paired with a medication such as topical minoxidil. 

Does derma roller work for hair regrowth?

Dr. Alpana Mohta, board-certified dermatologist, says that the idea behind using a derma roller for hair regrowth is that the micro-injuries created by the tiny needles can stimulate blood circulation, increase collagen production, and potentially rejuvenate hair follicles, leading to thicker and healthier hair growth. However, more scientific evidence is needed to establish the effectiveness of derma rollers specifically for hair regrowth.

Benefits of using a derma roller for hair growth

Studies show that repeated microneedle stimulation promotes hair growth³. Derma rollers are devices designed for home use to stimulate hair growth in the scalp and face. 

The concept of derma rolling is based on the principle of micro-needling, where the micro needles create tiny holes (injuries) in the skin promoting the wound-healing response on the skin and activating growth factors.

Enhances blood circulation

Utilizing a derma roller entails needle penetration, resulting in minor skin micro-injuries that initiate the body’s innate healing process. This, in turn, enhances blood circulation in the targeted region, promoting an improved growth of hair due to a better  blood flow.

Boosts the efficacy of hair growth treatment

Studies show that using topical minoxidil and a derma roller improves the absorption and effectiveness of the medication since the needles create micro-channels that allow for a better penetration of the product into the skin⁶.

Boosts growth factors

When you use a dermaroller on your scalp, it creates tiny wounds. This process activates growth factors. These growth factors are like special messengers that tell your scalp’s hair follicles to start repairing themselves, and this includes making your hair grow.

Stimulates stem cells

Your hair follicles have stem cells. Stem cells in hair are like master cells that can turn into any type of cell needed for hair growth and repair. The micro-injuries caused by a derma roller make the stem cells jump into action to heal these injuries, which also encourages hair to grow.

Turns on hair growth genes

Healing of micro-injuries caused by a derma roller increases the activity of many genes that are important for growing hair.

 Convenient and budget-friendly

Using a derma roller is a relatively affordable and straightforward process that can be done in the comfort of your own home. The device can be rolled across the scalp in various directions to ensure even coverage.

Should I use topical minoxidil with a derma roller to get better results?

Using topical minoxidil and finasteride together with a derma roller for hair growth is a common approach if you want to achieve more dramatical results. The idea behind this combination is to enhance the effectiveness of minoxidil and finasteride by increasing its absorption into the scalp when applied 24 hours after derma rolling. 

However, before starting any new hair regrowth regimen, it is essential to consult with a dermatologist. They can assess your specific hair loss condition and provide personalized advice on whether minoxidil is right for you, or if there are other treatments that would suit your type of hair loss best.

How to get a minoxidil prescription for hair growth?

You can get a minoxidil prescription for hair growth by having a photo-consultation with an online dermatologist. The dermatologist will assess if minoxidil is right for you and in less than 2 business days you will get your answer. 

Incase of Minoxidil Use can alos use Other Hair Growth Serum

Which derma roller size is best for hair regrowth?

Dr. Mohta says that when using a derma roller for hair regrowth, it is important to be cautious and start with the shorter needle length if you are inexperienced or have sensitive skin. As your scalp gets used to the process and you assess how your skin responds, you can gradually increase the needle length if needed. 

0.25mm derma roller

This needle length is suitable for beginners or individuals with a lower pain tolerance. It is less likely to cause discomfort and is ideal to enhance product absorption and stimulate the scalp without causing a deeper skin penetration.

0.5mm derma roller

This needle length is slightly longer and can penetrate the skin more deeply. It may provide more stimulation to the hair follicles and could be more effective for hair regrowth, but it may also be more uncomfortable for some people.

How to use a derma roller for hair?

Using a derma roller for hair involves a specific process to maximize its potential benefits while minimizing the risk of discomfort or complications.

Keep your hair short

To get better results with a dermaroller for hair growth, it is generally advised to keep your hair short. Short hair allows the dermaroller to reach the scalp more easily, ensuring better contact with the skin.

Wash your hair and scalp and let it dry completely

Wash your hair and scalp with a mild, sulfate-free shampoo and either blow dry it or let it air dry until it is completely dry. 

Sanitize your derma roller

After your hair is fully dry, clean your derma roller with rubbing alcohol to prevent infection.

Divide your scalp into sections

Divide your scalp into sections, especially if you are targeting specific areas with thinning or hair loss. This will help you ensure even coverage and avoid over-treating one area.

Roll gently

Hold the derma roller at a 45-degree angle to your scalp. Begin by gently rolling it back and forth over one section of your scalp. Avoid pressing too hard, as this can cause discomfort or damage. You should feel a mild tingling sensation but not significant pain.

Change directions

After a few passes in one direction (e.g., vertical), change the direction to roll horizontally and then diagonally. This ensures that you create tiny micro-channels evenly across the treated area.

Avoid rolling over open wounds

Do not use the derma roller on any open wounds, inflamed areas, or active skin conditions.

Wait before applying products

After using the derma roller, it is best to wait 24 hours before applying any products, including minoxidil or other hair growth treatments. This allows your scalp to recover from the micro-injuries created by the derma roller.

Clean the derma roller

After each use, thoroughly clean the derma roller with rubbing alcohol and allow it to air dry before storing it in a clean, dry place.

How often should I use a derma roller for hair growth?

Dr. Mohta says that the frequency of using your dermaroller for hair growth varies depending on individual preferences and sensitivity. Some people may do it once a week, while others do it every two weeks or twice a week. Starting with a less frequent schedule and gradually increasing it based on your comfort and your scalp’s response is a good approach.

Dr. Mohta says that you should be patient, as it may take several months before you see noticeable results, and individual responses can vary. If you experience any adverse reactions or discomfort, discontinue use and seek professional advice.

Acne-Prone Skin Care

• Skin Purging – What Is It and What Causes It?
• Skin Care Routine for Acne
• Acne Self-Care Tips

Can you use a derma roller for beard growth?

Yes, you can absolutely use a derma roller for beard growth as it will work similarly than with your scalp.

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1. MacBook Air M3 (13-inch) – Best Overall

• CPU: Apple M3 Chip
• GPU: Integrated Apple M3 GPU
• RAM: 8GB (base) or upgrade to 16GB
• Storage: 256GB SSD (upgradable)
• Display: 13.6-inch Liquid Retina, 1664p
• Weight: 2.7 lbs
• Ports: 2 Thunderbolt/USB-C, MagSafe 3
• Battery Life: 15+ hours
• Webcam: 1080p with advanced image processing
• Price: Starts at $1,099
• Pros: Compact, excellent performance, and long battery life
• Cons: Limited port selection, non-OLED display​LaptopMag.

2. Acer Swift Go 14 – Best Budget Laptop

• CPU: Intel Core Ultra 7 155H (also available with Ultra 5)
• GPU: Integrated Intel Arc
• RAM: 16GB
• Storage: 1TB SSD
• Display: 14-inch, 1920 x 1200 resolution
• Weight: 2.9 lbs
• Ports: 2 Thunderbolt 4, 2 USB Type-A, 1 HDMI, 1 microSD slot
• Battery Life: Up to 12 hours
• Price: Starts around $749
• Pros: Lightweight, premium build, and excellent connectivity options
• Cons: Weak speakers and a less vibrant display​LaptopMag.

3. Lenovo Yoga 9i Gen 8 – Best 2-in-1 Laptop

• CPU: Intel Core i7-1360P
• GPU: Integrated Intel Iris Xe
• RAM: 16GB LPDDR5
• Storage: 512GB or 1TB SSD
• Display: 14-inch 4K OLED touchscreen
• Weight: 3.1 lbs
• Ports: 2 Thunderbolt 4, 1 USB Type-A, 1 headphone jack
• Battery Life: Around 10-12 hours
• Pros: Stunning OLED display, versatile design, and excellent sound system
• Cons: Expensive and limited upgrade options.

4. ASUS ROG Zephyrus G14 – Best Gaming Laptop

• CPU: AMD Ryzen 9 7945HX
• GPU: NVIDIA GeForce RTX 4070/4080
• RAM: 16GB DDR5 (up to 32GB)
• Storage: 1TB PCIe Gen4 SSD
• Display: 14-inch QHD+ 165Hz or 120Hz Mini LED
• Weight: 3.6 lbs
• Ports: 2 USB-C, 2 USB-A, 1 HDMI, 1 microSD, headphone jack
• Battery Life: 8-10 hours (light use)
• Price: Starts at $1,899
• Pros: High-end gaming performance, portable design, and excellent display
• Cons: Expensive and runs hot under load.

These laptops cater to different needs, whether you want productivity, creativity, or gaming

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Here are some of the best gaming phones under ₹20,000 in India as of late 2024. These devices offer excellent performance, smooth displays, and good battery life, making them ideal for mobile gaming:

1. Redmi Note 13 Pro

• Processor: Snapdragon 7s Gen 2
• Display: 6.67-inch AMOLED, FHD+, 120Hz
• RAM/Storage: 8GB RAM, 128GB storage
• Camera: 200MP + 8MP + 2MP rear, 16MP front
• Battery: 5100mAh, 67W fast charging
• Price: ₹18,000 approx
• Why Buy ? High refresh rate display, excellent camera, and reliable gaming performance.

2. Moto G82 5G

• Processor: Snapdragon 695
• Display: 6.6-inch pOLED, FHD+, 120Hz
• RAM/Storage: 6GB/8GB RAM, 128GB storage
• Camera: 50MP + 8MP + 2MP rear, 16MP front (with OIS)
• Battery: 5000mAh, 30W fast charging
• Price: ₹19,000 approx
• Why Buy? Near-stock Android, solid build, and decent gaming performance.

3. OnePlus Nord CE 2 Lite 5G

• Processor: Snapdragon 695
• Display: 6.59-inch IPS LCD, FHD+, 120Hz
• RAM/Storage: 6GB/8GB RAM, 128GB storage
• Camera: 64MP + 2MP + 2MP rear, 16MP front
• Battery: 5000mAh, 33W fast charging
• Price: ₹19,500 approx
• Why Buy? Clean OxygenOS experience, good battery life, and reliable mid-range performance.

4. Samsung Galaxy M14 5G

• Processor: Exynos 1330
• Display: 6.6-inch PLS LCD, FHD+, 90Hz
• RAM/Storage: 6GB RAM, 128GB storage
• Camera: 50MP + 2MP + 2MP rear, 13MP front
• Battery: 6000mAh, 25W fast charging
• Price: ₹15,000 approx
• Why Buy? Massive battery, decent gaming performance, and reliable brand support.

These phones balance performance, display quality, and battery life, making them some of the top choices for gaming under ₹20,000.

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Samaung S24 Ultra

The Samsung Galaxy S24 Ultra is Samsung’s flagship smartphone for 2024, featuring significant upgrades in design, display, performance, and AI capabilities.

Key Features:

1. Display and Design:

• The S24 Ultra sports a 6.8-inch AMOLED display with a peak brightness of 2,600 nits, making it one of the brightest on the market. It offers QHD+ resolution and a 120Hz adaptive refresh rate, which enhances smoothness and responsiveness​.
• For the first time, Samsung has introduced a titanium frame, offering improved durability and a more premium feel than previous aluminum models. The display is mostly flat, with slight curves at the edges, and features a new anti-glare coating for better outdoor visibility​.

2. Performance:

• Powered by the Snapdragon 8 Gen 3 for Galaxy chipset, the phone delivers top-tier performance with 12GB of RAM and storage options ranging from 256GB to 1TB. The chipset is optimized specifically for Samsung, providing enhanced AI processing and graphics performance​.

3. Camera System:

• The phone boasts a 200MP primary camera with Optical Image Stabilization (OIS), a 12MP ultrawide lens, and two telephoto lenses—10MP with 3x zoom and 50MP with 5x zoom. This combination ensures versatile photography capabilities. AI-enhanced editing tools, like AI slow-motion, further enhance video and photo experiences​

4. Battery and Charging:

• The S24 Ultra is powered by a 5,000mAh battery, supporting 45W wired charging and 15W wireless charging. The battery life is optimized to handle high-performance tasks and the increased brightness of the display​

5. Additional Features:

• S Pen Integration: As with previous Ultra models, the S Pen is included, making it ideal for productivity and creative tasks.
• Connectivity: The phone supports Wi-Fi 7, 5G (Sub-6 and mmWave), Bluetooth 5.3, and Ultra-Wideband (UWB), ensuring fast and reliable connections​

IPhone 16 Pro Max

The iPhone 16 Pro Max is Apple’s flagship for 2024, bringing several noteworthy upgrades across its design, camera, and performance.

Key Features:

1. Display and Design:

• Features a 6.9-inch Super Retina XDR display with thinner bezels, providing a larger viewing area while maintaining similar dimensions to the iPhone 15 Pro Max.
• The titanium frame, introduced in the previous model, continues to offer a durable yet lightweight build.

2. Performance:

• Powered by the A18 Pro chip (3nm technology), which delivers significant improvements in CPU, GPU, and AI performance, making it ideal for demanding tasks like gaming and video editing.

3. Camera System:

• The 48MP main Fusion camera has an enhanced image processing pipeline for more natural, crisp photos, even in challenging lighting.
• The Ultra Wide camera also jumps to 48MP, improving both macro and wide-angle shots, with better sharpness and color accuracy.
• The 120mm Tetraprism telephoto lens continues to offer 5x optical zoom, now with support for reversible Photographic Styles and improved 4K video recording at 120fps for smooth slow-motion footage.

4. Battery and Charging:

• Offers longer battery life, lasting up to 2 days on moderate use. It supports MagSafe and Qi2 wireless charging with improved efficiency.

Google Pixel 9 Pro

Key Features:

1. Display & Design

• Size: 6.7-inch Actua LTPO OLED display.
• Resolution: 2992 x 1344 pixels with a 120Hz refresh rate for smoother scrolling and interactions.
• Brightness: Peaks at 3000 nits, making it one of the brightest displays on the market, ideal for outdoor use.
• Build: Protected by Gorilla Glass Victus 2 and features a sleek, minimalist design​.

2. Camera System

• Rear Cameras:
  • 50MP main sensor with advanced Night Sight for low-light photography.
  • 48MP ultra-wide lens for capturing expansive shots.
  • 48MP telephoto lens with up to 30x Super Res Zoom, combining optical and AI-enhanced digital zoom.
• Front Camera: A significant upgrade to 48MP, providing excellent selfies even in low-light conditions​.
• Video: Supports 8K video recording at 30fps and 4K at 60fps, catering to videographers and content creators​.

3. Performance

• Processor: Powered by the Tensor G4 chip, optimized for AI and machine learning tasks like voice recognition, photo enhancement, and live translations.
• RAM: 16GB, ensuring smooth multitasking and fast app switching.
• Software: Runs on Android 14 with a promise of 7 years of software and security updates, ensuring longevity and regular improvements​.

4. Battery Life

• Capacity: Improved battery life offers up to two days on moderate use.
• Charging: Supports 27W fast charging (slightly behind competitors), reaching 55% in around 30 minutes​.
• Extreme Battery Saver mode extends battery life up to 100 hours in critical situations​.

5. AI & Software Features

• Gemini Live: A hands-free conversational AI feature that provides a virtual assistant-like experience, available with a subscription.
• Pixel Studio: AI-powered image creation and editing directly on the device.
• Screenshot Organizer: An intelligent tool that categorizes and recognizes text within screenshots for easy retrieval​.

IQOO 12 5g

The iQOO 12 5G is a high-performance flagship smartphone that showcases impressive specifications, making it a standout in 2024. Powered by the Snapdragon 8 Gen 3 processor, it offers blazing-fast performance for multitasking, gaming, and everyday use. This chipset, paired with up to 16GB of LPDDR5X RAM and UFS 4.0 storage, ensures smooth and lag-free operation even under heavy workloads​.

Display & Design

The phone features a 6.78-inch LTPO AMOLED display with a resolution of 2800 x 1260 pixels. It boasts a peak brightness of 3000 nits, making it highly visible even under direct sunlight. The 144Hz refresh rate, combined with HDR10+ support, offers a fluid and immersive experience for gaming and multimedia consumption​.

Camera System

The iQOO 12 comes with a versatile triple-camera setup:

• 50MP main camera with OIS for sharp and stable shots.
• 50MP ultra-wide lens with a 119-degree field of view.
• 64MP periscope telephoto lens with 3x optical zoom and up to 100x digital zoom. The telephoto lens also doubles as a macro shooter, allowing you to capture intricate details. Night photography is a highlight, with advanced image processing delivering clear and bright images in low light​.

Battery & Charging

The device is equipped with a 5,000mAh battery that provides excellent endurance, lasting over a day with moderate use. It supports 120W fast charging, which can recharge the battery from 0% to 100% in around 20 minutes, making it ideal for users on the go​

Gaming & Connectivity

As a gamer-focused smartphone, the iQOO 12 excels with features like motion smoothing, high frame-rate gaming support, and a sophisticated cooling system to manage heat during extended sessions. It also includes advanced connectivity options like Wi-Fi 7, Bluetooth 5.4, NFC, and support for global 5G bands​​

Overall, the iQOO 12 5G is a compelling choice for those seeking flagship-level performance at a competitive price. It combines cutting-edge technology with a focus on gaming, display quality, and camera capabilities, making it one of the best value-for-money smartphones of 2024.

Oneplus 12

The OnePlus 12 is the latest flagship smartphone from OnePlus, offering significant upgrades in performance, display, and camera technology, making it a strong contender in the 2024 premium smartphone market.

Key Features:

1. Display:
   • 6.82-inch AMOLED panel with LTPO technology, dynamically switching refresh rates from 1Hz to 120Hz for smooth visuals and energy efficiency.
   • Peak brightness reaches 1,600 nits, providing excellent visibility in bright conditions.
   • Supports HDR10+ and Dolby Vision for a stunning visual experience, with Gorilla Glass Victus 2 for added durability.
2. Performance:
   • Powered by the Snapdragon 8 Gen 3 chipset, paired with up to 16GB of LPDDR5X RAM and 1TB of UFS 4.0 storage, ensuring blazing-fast performance and multitasking capabilities.
   • A new cooling system has been implemented to manage heat effectively during heavy usage.
3. Camera:
   • Triple rear camera system featuring:
     • 50MP Sony LYT-808 main sensor with a large f/1.6 aperture for superior low-light performance.
     • 50MP ultra-wide camera with a 114-degree field of view.
     • 64MP telephoto lens with 3x optical zoom, capable of up to 120x digital zoom, though practical use is best up to 10x.
   • The camera offers enhanced AI-powered HDR and improved night mode capabilities for better dynamic range and detail in challenging lighting.
4. Battery & Charging:
   • Packs a 5,400mAh battery with support for 100W wired and 50W wireless charging, allowing a full charge in under 30 minutes.
5. Design:
   • Slightly larger and heavier than its predecessor, it features a premium design with a unique Flowy Emerald color option, a refined camera module, and Gorilla Glass 5 protection on the back.
   • Retains the beloved alert slider, now relocated to improve antenna design.
6. Software:
   • Runs on OxygenOS 14, based on Android 14, offering a smooth, customizable, and feature-rich user experience.

Notable Omissions:

• The OnePlus 12 lacks an IP68 rating, offering only IP65 water and dust resistance, which may be a drawback compared to competitors like the Galaxy S24 Ultra.

Overall, the OnePlus 12 delivers excellent value, especially in display quality, charging speed, and camera versatility, making it a worthy flagship contender in 2024

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