10 Things Every 30-Something Girl Needs to Know

"After 30, you need to wear foundation or tinted moisturizer under your makeup because skin begins to lose its natural glow and becomes uneven owing to past sun exposure. Also, daily night cream and eye cream are nonnegotiable."

More from The Blush: What are the hottest summer nail colors?

-- Erika Katz, beauty writer and former child actress

Video: How to Apply Makeup in 10 Easy Steps >

"As you get older, your choices (wife, mother, community servant and so on) and the responsibilities that go with them often take ahold of your life. This leaves limited time for you to spend nurturing yourself. Find a few minutes a day to do what you love and cherish your inner soul, and the glow will shine through your skin for a lifetime of beauty."

More from The Blush: Fabulous flip flops you won't be embarrassed to wear -- seriously!

-- JJ DiGeronimo, technologist, entrepreneur, blogger and author

Video: How to De-Stress Like a Celebrity >

"Use less 'stuff' on your skin. The harsh chemicals found in many products tend to strip the skin of its natural defenses and may interfere with the skin's ability to repair itself. Worse yet, overzealous exfoliation can make you more susceptible to environmental damage. Lessening the daily assault on your skin helps to preserve its integrity and allows your natural beauty to come through."

More from The Blush: Amazing day-to-night beach cover-up transformations

-- Emma Graves, herbalist and holistic skincare specialist

Video: Beautiful Skin: Secrets of People with Perfect Skin >

"Remember that fit is everything. The best two investments you can make in your 30s are in Spanx and a tailor."

-- Jasmine Grimm, owner of Ruby Inc.

Video: How to Build the Perfect Wardrobe With Seven Fashion Staples >

"In your 30s, you can finally stop trying to be a 10 on the outside and work on being a 'perfect 10' on the inside. That's where your true beauty exudes from! It's an empowering time in your life because you begin realizing that we all age and wrinkle on the outside, but inner beauty is forever-lasting! Oh yeah, go ahead and embrace your quirks -- get over the size of your thighs and stop being so critical of yourself."

-- Tiffany Hendra, beauty and style expert who teaches empowerment classes to underprivileged young women

"Don't stop wearing ponytails! There's nothing hotter than a 30-something woman with a ponytail!"

-- Nelson Vercher, celebrity hairstylist

"Once you turn 30, no more mascara or eyeliner on the bottom lashes. Concentrate on the top lid with color, liner and mascara. Applying mascara and liner on the bottom lashes draws attention to fine lines."

-- Becky Sturm, CEO and founder of StormSister.biz who grew up in her grandmother's salon

"No one will respect you if you don't respect yourself. All the beauty products in the world won't help you if you're not confident. Also, use a cleanser that isn't too harsh, always wear primer and wash off your makeup right when you get home!"

-- Jennifer Austin, journalist and former Fox News Radio host

"Now is the time to correct any brow blunders that occurred in your 20s. Thin is not in. Lush, full brows are the perfect beauty accessory and will keep you looking youthful. Brows do not grow back as quickly in your 40s and beyond, so put the tweezers down now and allow them to flourish! Your future beautiful self will thank you."

-- Pamela Jeschonek, licensed aesthetician and eyebrow/makeup artist

"Be proactive in what you wear and how you look, as others are looking at you to feel good too."

-- Patricia Ann, senior wedding planner