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THE FOUNDER'S READING LIST

The root cause ofadult acne.

After years of struggling with my own skin and helping thousands of women on their clear-skin journey, I've come to a fundamental realization: we've been approaching acne completely wrong. Topical product after topical product treats the symptom while ignoring what's actually happening underneath.

THE FOUR ROOT CAUSES

Acne startsin four places.

These four causes rarely exist in isolation — they feed each other. Gut dysfunction worsens hormone imbalance worsens inflammation worsens nutrient depletion. This is why addressing one factor alone rarely produces lasting results.

01GUT

The microbiome decides what your skin does.

The gut-skin axis is real and powerful. When the gut lining is damaged, undigested food particles, bacteria and toxins enter the bloodstream and trigger systemic inflammation — visible on your skin as acne, eczema or rosacea.

Microbiome imbalance affects:

  • Nutrient absorption — you can't use nutrients you don't absorb
  • Hormone metabolism — gut bacteria (the estrobolome) regulate estrogen
  • Inflammation — some bacteria are inflammatory, others anti-inflammatory
  • Immunity — 70-80% of your immune system lives in your gut

SIGNS YOUR GUT IS A FACTOR

  • Bloating, gas, or digestive discomfort
  • Food sensitivities or intolerances
  • Irregular bowel movements
  • History of antibiotic use
  • Acne that worsens after certain foods
02HORMONES

Hormones don't just "go off" — something pulls them.

Hormones are the most recognized acne trigger, but the conversation usually stops at "hormonal acne" without exploring why hormones are imbalanced. Elevated androgens (testosterone, DHEA, DHT) stimulate sebaceous glands to produce excess oil — but high androgens are a symptom, not the cause.

What pulls the hormones off-axis:

  • Insulin resistance — high insulin increases androgen production
  • Chronic stress — cortisol elevates androgenic activity
  • Coming off birth control — androgen rebound
  • Estrogen dominance — poor liver detox or gut dysbiosis

SIGNS HORMONES ARE A FACTOR

  • Breakouts on jawline, chin, lower cheeks
  • Cyclical pattern (worse before period)
  • Deep, cystic breakouts
  • Acne that started or worsened in your 20s-30s
  • Irregular periods, PMS, or PCOS symptoms
03INFLAMMATION

Every pimple is, fundamentally, inflammation.

Inflammation is the common thread connecting all acne. The question isn't whether there's inflammation — the question is what is triggering it.

Most common sources:

  • Diet — sugar, processed foods, industrial seed oils, food sensitivities
  • Gut dysfunction — leaky gut releases inflammatory compounds into circulation
  • Stress — chronic cortisol elevation is itself inflammatory
  • Poor sleep — sleep deprivation raises inflammatory markers
  • Environmental toxins — pollution, chemicals in personal-care products
  • Nutrient deficiencies — lack of omega-3, zinc, vitamin D

SIGNS INFLAMMATION IS A FACTOR

  • Red, angry, inflamed breakouts
  • Acne that's painful to touch
  • Breakouts that take a long time to heal
  • Post-inflammatory hyperpigmentation
  • General puffiness or redness in skin
04NUTRIENT DEFICIENCIES

Skin doesn't build itself from nothing.

Your skin requires specific nutrients to function. When these are lacking, skin problems — including acne — are often the result. The hard truth: deficiencies are extremely common, even in people who eat "healthy".

Critical nutrients for clear skin:

  • Zinc — controls sebum, reduces inflammation, supports healing
  • Vitamin A — skin cell turnover and sebum regulation
  • Vitamin D — immune modulation and barrier function
  • Omega-3 — anti-inflammatory; most people are deficient
  • B vitamins — energy metabolism, hormone balance, skin repair
  • Vitamin C — collagen production, healing, antioxidant protection

Why deficiencies are so common:

  • Depleted soils → less nutrient density in food
  • Processed-food diets lack essential nutrients
  • Gut issues impair nutrient absorption
  • Certain medications (birth control, antacids) deplete specific nutrients
  • Chronic stress increases nutrient requirements

SIGNS DEFICIENCIES ARE A FACTOR

  • Slow wound healing / persistent post-acne marks
  • Dry, dull skin
  • Frequent colds or infections
  • Low energy or brain fog
  • Hair shedding or weak nails

THE INSIDE-OUT APPROACH

How to actuallyclear adult acne.

Five steps. None of them are skincare. All of them are evidence-based — and what we built klarskin around.

  1. 01

    Heal the gut.

    Remove: Inflammatory foods (gluten, dairy, sugar, processed foods) for 30 days minimum.
    Repair: Support the gut lining with L-glutamine, collagen, bone broth.
    Repopulate: Introduce probiotics and fermented foods.
    Rebalance: Address any underlying infections or dysbiosis with a practitioner.

  2. 02

    Balance blood sugar.

    Eat protein and healthy fat with every meal. Avoid naked carbohydrates — always pair with protein or fat. Choose low-glycemic carbohydrate sources. Don't skip meals; maintain steady energy.

  3. 03

    Reduce inflammation.

    Increase omega-3 intake (fatty fish, quality fish oil). Eliminate inflammatory oils (canola, soybean, corn, vegetable). Eat antioxidant-rich foods daily — berries, leafy greens, colorful vegetables. Manage stress through daily practices. Prioritize 7-9 hours of quality sleep.

  4. 04

    Fill nutrient gaps.

    Test key nutrients (zinc, vitamin D, ferritin, B12). Supplement strategically based on individual needs. Focus on nutrient-dense whole foods as the foundation. Support absorption by healing the gut first — you cannot use what you cannot absorb.

  5. 05

    Support hormone balance.

    Balance blood sugar (foundational). Support liver detoxification with cruciferous vegetables (broccoli, kale, brussels sprouts). Reduce exposure to endocrine disruptors (plastics, conventional personal care). Consider seed cycling or adaptogenic herbs. Work with a practitioner for hormone testing if issues persist.

FROM THIS READING

"Your skin is a messenger. Acne isn't the problem — it's the signal that something inside needs attention. When you listen and respond, clear skin follows."

— Antoneta, Founder
Radiance Powder

Radiance Powder

Built around all four root causes.

  • 13 probiotic strains for the gut
  • B-complex for hormonal balance
  • Magnesium for stress regulation
  • Zinc + Vitamin A + Omega for inflammation
See Radiance Powder

AS SEEN IN

Best for: a healthy gut and glowing skin.
The place to go after you've tried everything else for acne.
Minerals your skin needs to protect cells from oxidative stress.
Among the best dietary supplements on the market today.
The first part in a three-part routine designed to help your complexion glow.

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