Hair Extensions & Hair Color Services in Denver

At Sarah Caston Hair, I specialize in custom hair extensions and personalized hair color in Denver, including hand-tied extensions, I-tip extensions, blonding, balayage, gray blending, dimensional brunette color, and color correction.

With advanced training in hair color formulation and extension techniques, I create customized results that enhance your natural beauty while protecting the health and integrity of your hair. Whether you’re looking for fuller hair, brighter blondes, seamless gray coverage, or a complete transformation, every appointment is tailored specifically to you.

Several bundles of hair extensions arranged by color, with a lavender tag labeled 'Sarah Caston HAIR' and sprigs of lavender flowers placed on top.
Long dimensional brunette hair with blonde highlights and soft blended waves by Denver color specialist Sarah Caston.

Custom Hair Extensions

Whether you're looking for added fullness, extra length, or a complete transformation, every extension service is customized to your hair, lifestyle, and maintenance preferences. I specialize in hand-tied weft and I-tip extensions that blend seamlessly while protecting the health and integrity of your natural hair.

Hair Extension Consultation & Color Match

Complimentary

Not sure which extension method is right for you? During your complimentary consultation, we'll talk about your hair goals, lifestyle, natural hair and budget. I'll recommend the best extension method for your hair, create a custom color match, determine how much hair you'll need, and provide a personalized quote before you decide to move forward.

Hand-Tied Weft Extension Maintenance

1 Row — $125

Recommended every 6–10 weeks to reposition one row of hand-tied weft extensions while maintaining a comfortable, natural-looking blend.

2 Rows — $225

Recommended every 6–10 weeks to reposition two rows of hand-tied weft extensions and keep them secure, comfortable and seamlessly blended.

3 Rows — $325

Recommended every 6–10 weeks to reposition three rows of hand-tied weft extensions.

I-Tip Hair Extension Maintenance

Half Head — $125

Recommended every 6–10 weeks to reposition a half-head of I-Tip extensions while maintaining fullness, comfort and the health of your natural hair.

Full Head — $225

Recommended every 6–10 weeks to reposition a full-head of I-Tip extensions for a secure, natural-looking result.

New Hair Extension Installations

Every new installation is customized to your hair, goals and budget. Pricing varies based on your desired length and fullness, natural hair density, extension method and the amount of extension hair needed.

You'll receive a personalized quote during your complimentary consultation.

Hair Color Services in Denver

Customized hair color designed around your goals, lifestyle, maintenance preferences, and the health of your hair. From dimensional blonding and lived-in color to brunette transformations, gray blending and root coverage, each service is personalized to create beautiful, wearable results.

Woman with long, wavy blonde hair in a salon, facing away from the camera.

Blonding, Highlights

& Lived-in Color

Whether you're looking for bright blonde, soft dimension, a seamless lived-in grow-out, or a complete blonde transformation, every appointment is customized to your hair goals, maintenance preferences, and the health of your hair. I specialize in creating natural-looking blondes with beautiful dimension that grow out effortlessly.

Partial Highlight

Starting at $165

Perfect for maintaining brightness around the face and crown, adding dimension, or refreshing an existing blonde between full appointments.

Full Highlight

Starting at $225

Ideal for clients looking for brightness throughout the entire head while maintaining beautiful dimension and a soft, natural finish.

Lived-In Blonde / Balayage

Starting at $185

Customized dimensional color designed for a soft, lower-maintenance grow-out. Techniques may include balayage, hand painting, foiling, or a combination based on your hair and desired result.

Ultimate Blonding Session

$200 per hour

For major blonde transformations, significant lightening, color corrections, or extensive foil work. This extended appointment allows time for detailed lightening, custom toning, bond building, and precision finishing.

Toner / Gloss Refresh

Starting at $35

Refresh your color between larger appointments by neutralizing unwanted tones, enhancing shine, and bringing your color back to life.

Back of a woman with long, wavy, brunette hair in a modern salon or bathroom setting.

Custom Hair Color & Gray Blending

Not every color appointment is about going blonde. Custom color services are available for brunettes, gray coverage and blending, dimensional color, and clients simply wanting richer, healthier-looking color.

Root Color / Gray Coverage

Starting at $110

Customized root color for gray coverage or maintaining your existing base color, formulated to create a natural, seamless result.

All-Over Color

Starting at $145

Refresh or transform your overall color with a customized shade designed for your skin tone, hair goals, and desired maintenance.

Gray Blending

Starting at $165

A customized approach to softening and blending gray rather than creating a harsh line of regrowth. Your service may incorporate dimensional color, highlights, lowlights, or root color depending on your goals.

Dimensional Brunette

Starting at $165

Customized brunette color using depth, dimension, highlights, lowlights, or glossing to create rich, natural-looking color without feeling flat or overly processed.

Person getting their hair trimmed in a salon with wavy blonde hair.

Treatments & Add-ons

Bond Building Treatment

Starting at $25

An optional treatment designed to strengthen and protect the hair during chemical services while helping maintain softness, shine, and long-term hair health.

Haircut with Color Service

$65

Available as an add-on to your hair color appointment. Includes a customized haircut and finishing to complement your color and overall look.

Can’t wait to see you in the chair!